text: <unk>  is a kind of<unk>  seen especially in<unk> s. Any irritant present in the respiratory system may trigger<unk> , however,<unk>  develops as a consequence of phlegm buildup in the trachea. Many long-term<unk> s end up beginning their day with hour-long bout of severe<unk> ing.
option_0: Smoker's cough
option_1: Croup
option_2: Oral allergy syndrome
option_3: Latex allergy
option_4: Exercise induced asthma
option_5: Asthma
option_6: Strep throat
option_7: Wheat allergy