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: Orthopaedics
[{'content': 'MC joint involved in Gout - \nSelect and explain. \nA. Knee, B. Hip, C. MP joint of the big toe, D. MP joint of thumb', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Most common joint involved in gout is big toe, i.e. metatarsophalangeal joint of great toe.', 'role': 'assistant'}]