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': 'If head of radius is removed, it ll lead to which deformity \nSelect and explain. \nA. Valgus deformity, B. Varus deformity, C. Flexion deformity, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]