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': 1986}
Prior Diagnosis 1: {'condition': 'Hypertension', 'condition status': 'Not Extracted', 'start date': '2005-07-25', 'end date': None}
Prior Diagnosis 2: {'condition': 'Normal pregnancy', 'condition status': 'Not Extracted', 'start date': '2012-01-30', 'end date': '2012-09-10'}
Prior Diagnosis 3: {'condition': 'Prediabetes', 'condition status': 'Not Extracted', 'start date': '2013-02-22', 'end date': None}
Last Potassium measurement on 2013-02-22 00:00:00: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mmol/L', 'value': 5.08}
Prior measurements of the same type 1: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mmol/L', 'value': 5.08}
Prior measurements of different types 1: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': '%', 'value': 6.0}
Prior measurements of different types 2: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'cm', 'value': 165.09}
Prior measurements of different types 3: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'kg', 'value': 98.26}
Prior measurements of different types 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'kg/m2', 'value': 36.05}
Prior measurements of different types 5: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mmHg', 'value': 160.0}
Prior measurements of different types 6: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mmHg', 'value': 102.0}
Prior measurements of different types 7: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': '%', 'value': 6.0}
Prior measurements of different types 8: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mg/dL', 'value': 92.0}
Prior measurements of different types 9: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mg/dL', 'value': 10.0}
Prior measurements of different types 10: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 11: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mg/dL', 'value': 9.05}
Prior measurements of different types 12: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mmol/L', 'value': 137.0}
Prior measurements of different types 13: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mmol/L', 'value': 109.0}
Prior measurements of different types 14: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mmol/L', 'value': 27.0}
Prior measurements of different types 15: {'measurement': 'Estimated Glomerular Filtration Rate', 'measurement type': 'EHR encounter record', 'measurement date': '2013-02-22T00:00:00', 'unit': 'mL/min/{1.73_m2}', 'value': 60.0}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-11-28', 'end datetime': '2011-11-28'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-01-30', 'end datetime': '2012-01-30'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-03-05', 'end datetime': '2012-03-05'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-05-21', 'end datetime': '2012-05-21'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-07-02', 'end datetime': '2012-07-02'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-07-30', 'end datetime': '2012-07-30'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-08-13', 'end datetime': '2012-08-13'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-08-20', 'end datetime': '2012-08-20'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-08-27', 'end datetime': '2012-08-27'}
Visit 10: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-09-03', 'end datetime': '2012-09-03'}
Visit 11: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-09-10', 'end datetime': '2012-09-10'}
Visit 12: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-09-17', 'end datetime': '2012-09-17'}
Visit 13: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-10-03', 'end datetime': '2012-10-03'}
Visit 14: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-02-22', 'end datetime': '2013-02-22'}
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1993-02-17', 'End datetime': '1993-02-17', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Levonorgestrel 0.00354 MG/HR [Norplant]', 'Start datetime': '2000-10-27', 'End datetime': '2011-10-24', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Procedure 1: {'procedure': 'Removal of subcutaneous contraceptive', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-11-28', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Standard pregnancy test', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-01-30', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Epidural anesthesia', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-09-10', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Childbirth', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-09-10', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 5: {'procedure': 'Bilateral tubal ligation', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-10-03', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
</PatientData>
Based on the trajectory above, what will the patient's **next** Potassium value be on 2015-10-28 00:00:00?
A. 5.16
B. 4.5
C. 4.1
D. 4.87
E. 5.07
Please share a single capital letter representing your selected answer: 
5.16 4.5 4.1 4.87 5.07