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': 'Which of the following muscle is derivative of 1" arch ? \nSelect and explain. \nA. Stylopharyngeus, B. Tensor tympani, C. Platysma, D. Cricothyroid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is \'b\' i.e., Tensor tympani Tensor tympani is derived from 1" arch.', 'role': 'assistant'}]