Task: Question Answering
Input (English): Question: In chronic bronchitis, it is characteristic: 
 Options:  <1> Destruction of alveolar walls. <2> Difficulty in the inspiratory flow. <3> Decrease in the volume of inspiratory reserve. <4> Elevation of capillary hydrostatic pressure. <5> Inflammation and mucosal hypersecretion of the respiratory tract.
Output (English): 5