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': "Test for coliform count ? \nSelect and explain. \nA. Eijkman test, B. Casoni's test, C. Nitrate test, D. Urease test", 'role': 'user'}, {'content': 'Answer: A \nExplanation: After analysing presumptive coliform count, E coli count is confirmed by other tests like Eijkmant test and indole production.', 'role': 'assistant'}]