This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bone Tumour, Subject name: Orthopaedics
[{'content': 'Most common tumour in hand \nSelect and explain. \nA. Exostosis, B. Giant cell tumour, C. Enchondroma, D. Synovial sarcoma', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e. Enchondroma", 'role': 'assistant'}]