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: Social & Preventive Medicine
[{'content': 'Man is intermediate host of- \nSelect and explain. \nA. Filariasis, B. Hydatid cyst, C. Both, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Hvdatid cyst Man acts as intermediate host for : ? Plasmodium (malaria) Toxoplasma Echinococcus granulosus (hydatid disease)", 'role': 'assistant'}]