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: Microbiology
[{'content': 'Vector for Trypanosoma Cruzi is \nSelect and explain. \nA. Tse - Tse fly, B. Reduvid bug, C. Sand fly, D. Black fly', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Transmission is by rubbing\xa0of reduviid bugs.', 'role': 'assistant'}]