This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology, Subject name: Microbiology
[{'content': 'Oocyst of toxoplasma is found in : \nSelect and explain. \nA. Cat, B. Dog, C. Mosquito, D. Cow', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e. Cat Toxoplasma can infect wide variety of animals but the only host under which it undergoes sexual division and produce infectious oocyst which are excreted in the feces is Cat.", 'role': 'assistant'}]