This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: COPD and Asthma, Subject name: Medicine
[{'content': 'Cough variant asthma is treated with? \nSelect and explain. \nA. ICS Low dose once a day, B. LABA once at night, C. SABA twice daily, D. Anti-tussive lozenges as an when required', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cough variant asthma - Rx - ICS low dose once a day Because main enzyme is PLA2 produces leukotrienes and this PLA2 is inhibited by the use of steroids by the patient', 'role': 'assistant'}]