You are an assistant tasked with analyzing medical histories to provide a second opinion on possible future diagnoses.

<PatientData>
Demographics: {'race': 'Black or African American', 'gender': 'MALE', 'year of birth': 1937}
Prior Diagnosis 1: {'condition': 'Osteoarthritis of knee', 'condition status': 'Not Extracted', 'start date': '1968-12-18', 'end date': None}
Medication 1: {'Drug name': 'Naproxen sodium 220 MG [Aleve]', 'Start datetime': '1968-12-18', 'End datetime': '1968-12-18', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Penicillin V Potassium 500 MG', 'Start datetime': '1969-08-18', 'End datetime': '1969-08-18', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
</PatientData>
Based on the trajectory above, which diagnosis is the patient **most likely** to receive by 1984-12-30?
A. Pyelonephritis
B. Prediabetes
C. History of amputation of foot (situation)
D. Streptococcal sore throat (disorder)
E. History of myocardial infarction (situation)
Please share a single capital letter representing your selected answer: 
Pyelonephritis Prediabetes History of amputation of foot (situation) Streptococcal sore throat (disorder) History of myocardial infarction (situation)