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': 1983}
Prior Diagnosis 1: {'condition': 'Perennial allergic rhinitis', 'condition status': 'Not Extracted', 'start date': '1988-08-03', 'end date': None}
Prior Diagnosis 2: {'condition': 'Asthma', 'condition status': 'Not Extracted', 'start date': '2004-01-13', 'end date': None}
Prior Diagnosis 3: {'condition': 'Acute viral pharyngitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2012-02-19', 'end date': '2012-03-07'}
Prior Diagnosis 4: {'condition': 'Sprain of ankle', 'condition status': 'Not Extracted', 'start date': '2012-12-20', 'end date': '2013-01-08'}
Last Diastolic Blood Pressure measurement on 2012-05-15 00:00:00: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-15T00:00:00', 'unit': 'mmHg', 'value': 77.0}
Prior measurements of the same type 1: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-15T00:00:00', 'unit': 'mmHg', 'value': 77.0}
Prior measurements of different types 1: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2012-02-22T00:00:00', 'unit': 'Cel', 'value': 38.0}
Prior measurements of different types 2: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-15T00:00:00', 'unit': 'cm', 'value': 181.98}
Prior measurements of different types 3: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-15T00:00:00', 'unit': 'kg', 'value': 81.72}
Prior measurements of different types 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-15T00:00:00', 'unit': 'kg/m2', 'value': 24.68}
Prior measurements of different types 5: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-05-15T00:00:00', 'unit': 'mmHg', 'value': 123.0}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-07-16', 'end datetime': '2010-07-16'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-01-16', 'end datetime': '2011-01-16'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-02-22', 'end datetime': '2012-02-22'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-05-15', 'end datetime': '2012-05-15'}
Visit 5: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-12-20', 'end datetime': '2012-12-20'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-01-16', 'end datetime': '2014-01-16'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-01-18', 'end datetime': '2014-01-18'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-07-18', 'end datetime': '2014-07-18'}
Medication 1: {'Drug name': 'Astemizole 10 MG Oral Tablet', 'Start datetime': '1985-02-17', 'End datetime': '1985-02-17', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': '120 ACTUAT Fluticasone propionate 0.044 MG/ACTUAT Metered Dose Inhaler', 'Start datetime': '1988-09-18', 'End datetime': '1988-09-18', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': '200 ACTUAT Albuterol 0.09 MG/ACTUAT Metered Dose Inhaler', 'Start datetime': '1988-09-18', 'End datetime': '1988-09-18', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 4: {'Drug name': 'Naproxen sodium 220 MG Oral Tablet', 'Start datetime': '2012-12-20', 'End datetime': '2013-01-08', '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': '2012-05-15', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
</PatientData>
Based on the trajectory above, what will the patient's **next** Diastolic Blood Pressure value be on 2015-04-20 00:00:00?
A. 87.0
B. 85.0
C. 77.0
D. 87.0
E. 74.0
Please share a single capital letter representing your selected answer: 
87.0 85.0 77.0 87.0 74.0