This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Orthopaedics
[{'content': 'Clergyman knee affects \nSelect and explain. \nA. Prepatellar bursa, B. Infrapatellar bursa, C. Olecranon, D. Ischial bursa', 'role': 'user'}, {'content': "Answer: B \nExplanation: BursitisNamed diseasePrepatellar BursitisHouse Maid's Knee Infrapatellar BursitisClergyman's Knee / Vicars Knee Olecranon BursitisStudents elbow Ischial BursitisWeavers Bottom Lateral Malleolus Bursitis Tailors Ankle Great Toe BursitisBunion (Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 450, 528)", 'role': 'assistant'}]