This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Incubation period of Mumps - \nSelect and explain. \nA. 4-5 days, B. 7-15 days, C. 12-24 days, D. 50 days', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Incubation period of mumps varies from 2 to 4 weks, usually 14- 18 days Reference : Park&;s Textbook of preventive and social medicine, 24th edition.Pg no.162', 'role': 'assistant'}]