You are an assistant tasked with analyzing measurement histories to predict the patient's next laboratory or vital sign value.
<PatientData>
Demographics: {'race': None, 'gender': 'FEMALE', 'year of birth': 1985}
Prior Diagnosis 1: {'condition': 'Perennial allergic rhinitis with seasonal variation', 'condition status': 'Not Extracted', 'start date': '1990-01-29', 'end date': None}
Prior Diagnosis 2: {'condition': 'Hypertension', 'condition status': 'Not Extracted', 'start date': '2003-11-22', 'end date': None}
Prior Diagnosis 3: {'condition': 'Normal pregnancy', 'condition status': 'Not Extracted', 'start date': '2010-08-05', 'end date': '2011-05-26'}
Prior Diagnosis 4: {'condition': 'Antepartum eclampsia', 'condition status': 'Not Extracted', 'start date': '2011-04-14', 'end date': '2011-05-26'}
Prior Diagnosis 5: {'condition': 'Acute viral pharyngitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2011-12-22', 'end date': '2012-01-02'}
Prior Diagnosis 6: {'condition': 'Acute viral pharyngitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2012-04-02', 'end date': '2012-04-21'}
Last Body Mass Index measurement on 2012-07-03 00:00:00: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-03T00:00:00', 'unit': 'kg/m2', 'value': 25.38}
Prior measurements of the same type 1: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-03T00:00:00', 'unit': 'kg/m2', 'value': 25.38}
Prior measurements of different types 1: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2011-12-25T00:00:00', 'unit': 'Cel', 'value': 37.0}
Prior measurements of different types 2: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2012-04-07T00:00:00', 'unit': 'Cel', 'value': 38.0}
Prior measurements of different types 3: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-03T00:00:00', 'unit': 'cm', 'value': 167.24}
Prior measurements of different types 4: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-03T00:00:00', 'unit': 'kg', 'value': 71.0}
Prior measurements of different types 5: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-03T00:00:00', 'unit': 'mmHg', 'value': 169.0}
Prior measurements of different types 6: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-03T00:00:00', 'unit': 'mmHg', 'value': 117.0}
Prior measurements of different types 7: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2012-07-03T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-10-14', 'end datetime': '2010-10-14'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-11-18', 'end datetime': '2010-11-18'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-02-03', 'end datetime': '2011-02-03'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-03-17', 'end datetime': '2011-03-17'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-04-14', 'end datetime': '2011-04-14'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-04-28', 'end datetime': '2011-04-28'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-05', 'end datetime': '2011-05-05'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-12', 'end datetime': '2011-05-12'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-19', 'end datetime': '2011-05-19'}
Visit 10: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-26', 'end datetime': '2011-05-26'}
Visit 11: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-26', 'end datetime': '2011-05-26'}
Visit 12: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-12-25', 'end datetime': '2011-12-25'}
Visit 13: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-04-07', 'end datetime': '2012-04-07'}
Visit 14: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-07-03', 'end datetime': '2012-07-03'}
Medication 1: {'Drug name': 'Terfenadine 60 MG Oral Tablet', 'Start datetime': '1987-04-07', 'End datetime': '1987-04-07', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': '0.3 ML EPINEPHrine 0.5 MG/ML Auto-Injector', 'Start datetime': '1987-04-07', 'End datetime': '1987-04-07', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1988-11-25', 'End datetime': '1988-11-25', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Procedure 1: {'procedure': 'Standard pregnancy test', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2010-10-14', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Epidural anesthesia', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-05-26', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Cesarean section', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-05-26', '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 2015-05-12 00:00:00?
A. 38.04
B. 20.56
C. 21.99
D. 26.62
E. 42.03
Please share a single capital letter representing your selected answer: 
38.04 20.56 21.99 26.62 42.03