This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
[{'content': "Employer's contribution to Employees State Insurance \nSelect and explain. \nA. 3.25, B. 3.5, C. 3.75, D. 3.2", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref:According to ESI Act amendment 2019', 'role': 'assistant'}]