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': 'False about disaster management \nSelect and explain. \nA. Response in pre-disaster phase, B. Mitigation in pre-disaster phase, C. Gastroenteritis is commonest infection after disaster, D. Yellow color is for medium priority', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]