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': 'Intermediate host for guinea worm ? \nSelect and explain. \nA. Fish, B. Man, C. Cyclops, D. Crab', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Cyclops", 'role': 'assistant'}]