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: Unknown
[{'content': 'Anatomical snuffbox is formed by all except - \nSelect and explain. \nA. Abductor pollicis longus, B. Extensor pollicis longus, C. Extensor pollicis brevis, D. Extensor carpi radialis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans-D', 'role': 'assistant'}]