This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology Pa 1 (Protozoology), Subject name: Microbiology
[{'content': 'Sleeping sickness is transmitted by - \nSelect and explain. \nA. Tsetse fly, B. House fly, C. Sand fly, D. Simulium fly', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Sleeping Sickness is caused by T. brucei. :- transmitted by Tsetse fly Leishmaniasis :- by Sand fly cholera and dysentry :- house fly Simuliumis a genus of blackflies, which may transmit diseases such as onchocerciasis (river blindness)', 'role': 'assistant'}]