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': 'Dogs are responsible for transmission of all the following except - \nSelect and explain. \nA. Hydatid disease, B. Toxoplasmosis, C. Kala-azar, D. Toxocara canis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Definitive host- cat and other felinies Intermediate host- humans (refer pgno:64 baveja 3 rd edition)', 'role': 'assistant'}]