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: Pathology
[{'content': 'Receptor for BDNF ? \nSelect and explain. \nA. TrK-A, B. TrK-B, C. TrK-C, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'B' i.e., TrK-B", 'role': 'assistant'}]