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': 'FEMALE', 'year of birth': 2007}
Prior Diagnosis 1: {'condition': 'Acute bronchitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2014-07-13', 'end date': '2014-07-25'}
Prior Diagnosis 2: {'condition': 'Concussion with no loss of consciousness', 'condition status': 'Not Extracted', 'start date': '2015-02-02', 'end date': '2015-04-20'}
Prior Diagnosis 3: {'condition': 'Laceration of thigh', 'condition status': 'Not Extracted', 'start date': '2016-05-18', 'end date': '2016-06-09'}
Last Body Mass Index measurement on 2016-03-27 00:00:00: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-03-27T00:00:00', 'unit': 'kg/m2', 'value': 19.8}
Prior measurements of the same type 1: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2010-10-05T00:00:00', 'unit': 'kg/m2', 'value': 17.79}
Prior measurements of the same type 2: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-22T00:00:00', 'unit': 'kg/m2', 'value': 17.89}
Prior measurements of the same type 3: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-12-01T00:00:00', 'unit': 'kg/m2', 'value': 17.93}
Prior measurements of the same type 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-21T00:00:00', 'unit': 'kg/m2', 'value': 18.09}
Prior measurements of the same type 5: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-02-19T00:00:00', 'unit': 'kg/m2', 'value': 18.71}
Prior measurements of the same type 6: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-03-27T00:00:00', 'unit': 'kg/m2', 'value': 19.8}
Prior measurements of different types 1: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2010-10-05T00:00:00', 'unit': 'cm', 'value': 97.03}
Prior measurements of different types 2: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2010-10-05T00:00:00', 'unit': 'kg', 'value': 16.75}
Prior measurements of different types 3: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-10-05T00:00:00', 'unit': 'mmHg', 'value': 127.0}
Prior measurements of different types 4: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2010-10-05T00:00:00', 'unit': 'mmHg', 'value': 73.0}
Prior measurements of different types 5: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-22T00:00:00', 'unit': 'cm', 'value': 104.31}
Prior measurements of different types 6: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-22T00:00:00', 'unit': 'kg', 'value': 19.46}
Prior measurements of different types 7: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-22T00:00:00', 'unit': 'mmHg', 'value': 138.0}
Prior measurements of different types 8: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-22T00:00:00', 'unit': 'mmHg', 'value': 89.0}
Prior measurements of different types 9: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-12-01T00:00:00', 'unit': 'cm', 'value': 111.24}
Prior measurements of different types 10: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-12-01T00:00:00', 'unit': 'kg', 'value': 22.19}
Prior measurements of different types 11: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-12-01T00:00:00', 'unit': 'mmHg', 'value': 128.0}
Prior measurements of different types 12: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-12-01T00:00:00', 'unit': 'mmHg', 'value': 76.0}
Prior measurements of different types 13: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-21T00:00:00', 'unit': 'cm', 'value': 118.59}
Prior measurements of different types 14: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-21T00:00:00', 'unit': 'kg', 'value': 25.45}
Prior measurements of different types 15: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-21T00:00:00', 'unit': 'mmHg', 'value': 118.0}
Prior measurements of different types 16: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-21T00:00:00', 'unit': 'mmHg', 'value': 74.0}
Prior measurements of different types 17: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-02-19T00:00:00', 'unit': 'cm', 'value': 125.7}
Prior measurements of different types 18: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-02-19T00:00:00', 'unit': 'kg', 'value': 29.56}
Prior measurements of different types 19: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-02-19T00:00:00', 'unit': 'mmHg', 'value': 122.0}
Prior measurements of different types 20: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-02-19T00:00:00', 'unit': 'mmHg', 'value': 89.0}
Prior measurements of different types 21: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-03-27T00:00:00', 'unit': 'cm', 'value': 131.37}
Prior measurements of different types 22: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-03-27T00:00:00', 'unit': 'kg', 'value': 34.17}
Prior measurements of different types 23: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-03-27T00:00:00', 'unit': 'mmHg', 'value': 129.0}
Prior measurements of different types 24: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-03-27T00:00:00', 'unit': 'mmHg', 'value': 75.0}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-10-05', 'end datetime': '2010-10-05'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-11-22', 'end datetime': '2011-11-22'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-12-01', 'end datetime': '2012-12-01'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-12-21', 'end datetime': '2013-12-21'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-07-13', 'end datetime': '2014-07-13'}
Visit 6: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-02-02', 'end datetime': '2015-02-02'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-02-19', 'end datetime': '2015-02-19'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-04-20', 'end datetime': '2015-04-20'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-03-27', 'end datetime': '2016-03-27'}
Visit 10: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-05-18', 'end datetime': '2016-05-18'}
Medication 1: {'Drug name': 'Acetaminophen 160 MG', 'Start datetime': '2014-07-13', 'End datetime': '2014-07-25', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Ibuprofen 100 MG Oral Tablet', 'Start datetime': '2016-05-18', 'End datetime': '2016-06-09', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-12-01', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-12-21', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-02-19', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Suture open wound', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2016-05-18', '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 2017-05-09 00:00:00?
A. 21.23
B. 17.21
C. 13.56
D. 27.88
E. 20.89
Please share a single capital letter representing your selected answer: 
21.23 17.21 13.56 27.88 20.89