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: Pediatrics
[{'content': 'Which of the following is the most likely diagnosis in case of a child with increased cough at night? \nSelect and explain. \nA. Pneumonia, B. Asthma, C. Bronchiolitis, D. Laryngomalacia', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., AsthmaVariation in intensity of coughWorse in night and early morning - Asthma, Persistent moistSeasonal variation - Asthma, BronchitisPostural variation - Bronchiectasis, Lung abscess", 'role': 'assistant'}]