This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'All of the following are composite muscles, except: \nSelect and explain. \nA. Flexor carpi Ulnaris, B. Flexor digitorum Profundus, C. Pectineus, D. Biceps Femoris', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Flexor carpi Ulnaris', 'role': 'assistant'}]