You are an assistant tasked with analyzing measurement histories to predict the patient's next laboratory or vital sign value.
<PatientData>
Demographics: {'race': 'White', 'gender': 'MALE', 'year of birth': 2004}
Prior Diagnosis 1: {'condition': 'Viral sinusitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2010-10-03', 'end date': '2010-11-01'}
Prior Diagnosis 2: {'condition': 'Child attention deficit disorder', 'condition status': 'Not Extracted', 'start date': '2012-05-07', 'end date': '2013-02-14'}
Prior Diagnosis 3: {'condition': 'Viral sinusitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2014-12-01', 'end date': '2015-01-06'}
Last Body Mass Index measurement on 2015-04-01 00:00:00: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-04-01T00:00:00', 'unit': 'kg/m2', 'value': 15.91}
Prior measurements of the same type 1: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-01-27T00:00:00', 'unit': 'kg/m2', 'value': 14.72}
Prior measurements of the same type 2: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-01T00:00:00', 'unit': 'kg/m2', 'value': 14.72}
Prior measurements of the same type 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-11T00:00:00', 'unit': 'kg/m2', 'value': 14.86}
Prior measurements of the same type 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-02-10T00:00:00', 'unit': 'kg/m2', 'value': 15.25}
Prior measurements of the same type 5: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-04-01T00:00:00', 'unit': 'kg/m2', 'value': 15.91}
Prior measurements of different types 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-01-27T00:00:00', 'unit': 'cm', 'value': 118.9}
Prior measurements of different types 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-01-27T00:00:00', 'unit': 'kg', 'value': 20.8}
Prior measurements of different types 3: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-01-27T00:00:00', 'unit': 'mmHg', 'value': 124.0}
Prior measurements of different types 4: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-01-27T00:00:00', 'unit': 'mmHg', 'value': 79.0}
Prior measurements of different types 5: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-01T00:00:00', 'unit': 'cm', 'value': 124.28}
Prior measurements of different types 6: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-01T00:00:00', 'unit': 'kg', 'value': 22.73}
Prior measurements of different types 7: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-01T00:00:00', 'unit': 'mmHg', 'value': 129.0}
Prior measurements of different types 8: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-01T00:00:00', 'unit': 'mmHg', 'value': 78.0}
Prior measurements of different types 9: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-11T00:00:00', 'unit': 'cm', 'value': 131.45}
Prior measurements of different types 10: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-11T00:00:00', 'unit': 'kg', 'value': 25.67}
Prior measurements of different types 11: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-11T00:00:00', 'unit': 'mmHg', 'value': 117.0}
Prior measurements of different types 12: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-01-11T00:00:00', 'unit': 'mmHg', 'value': 76.0}
Prior measurements of different types 13: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-02-10T00:00:00', 'unit': 'cm', 'value': 137.49}
Prior measurements of different types 14: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-02-10T00:00:00', 'unit': 'kg', 'value': 28.82}
Prior measurements of different types 15: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-02-10T00:00:00', 'unit': 'mmHg', 'value': 126.0}
Prior measurements of different types 16: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-02-10T00:00:00', 'unit': 'mmHg', 'value': 88.0}
Prior measurements of different types 17: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-04-01T00:00:00', 'unit': 'cm', 'value': 143.01}
Prior measurements of different types 18: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-04-01T00:00:00', 'unit': 'kg', 'value': 32.53}
Prior measurements of different types 19: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-04-01T00:00:00', 'unit': 'mmHg', 'value': 133.0}
Prior measurements of different types 20: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-04-01T00:00:00', 'unit': 'mmHg', 'value': 81.0}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-10-08', 'end datetime': '2010-10-08'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-01-27', 'end datetime': '2011-01-27'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-12-01', 'end datetime': '2011-12-01'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-05-07', 'end datetime': '2012-05-07'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-06-11', 'end datetime': '2012-06-11'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-07-11', 'end datetime': '2012-07-11'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-08-16', 'end datetime': '2012-08-16'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-09-21', 'end datetime': '2012-09-21'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-10-29', 'end datetime': '2012-10-29'}
Visit 10: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-12-06', 'end datetime': '2012-12-06'}
Visit 11: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-01-11', 'end datetime': '2013-01-11'}
Visit 12: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-01-15', 'end datetime': '2013-01-15'}
Visit 13: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-02-14', 'end datetime': '2013-02-14'}
Visit 14: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-02-10', 'end datetime': '2014-02-10'}
Visit 15: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-12-10', 'end datetime': '2014-12-10'}
Visit 16: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-04-01', 'end datetime': '2015-04-01'}
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '2007-01-14', 'End datetime': '2007-01-14', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Procedure 1: {'procedure': 'Cognitive and behavioral therapy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-06-11', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Cognitive and behavioral therapy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-07-11', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Cognitive and behavioral therapy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-08-16', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Cognitive and behavioral therapy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-09-21', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 5: {'procedure': 'Cognitive and behavioral therapy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-10-29', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 6: {'procedure': 'Cognitive and behavioral therapy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-12-06', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 7: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-01-11', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 8: {'procedure': 'Cognitive and behavioral therapy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-01-15', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 9: {'procedure': 'Cognitive and behavioral therapy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-02-14', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 10: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-02-10', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
</PatientData>
Based on the trajectory above, what will the patient's **next** Body Mass Index value be on 2016-05-19 00:00:00?
A. 29.52
B. 23.85
C. 18.68
D. 16.77
E. 30.17
Please share a single capital letter representing your selected answer: 
29.52 23.85 18.68 16.77 30.17