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': 'Buccal branch of facial nerve suppplies \nSelect and explain. \nA. Orbicularis oris & buccinator muscle, B. Buccinator muscle, C. Buccinator and superior constrictor muscle, D. Buccinator and quadrates labii superioris muscle', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]