Task: Text Categorization
Input (English): Question: In a patient with asthma symptoms, diagnostic confirmation of the disease will be made first by: 
 Options:  <0> The finding of a reversible obstruction of air flow in spirometry. <1> A positive allergic skin test. <2> An increase in the number of eosinophils in the induced sputum. <3> The elevation of nitric oxide in exhaled air (FENO). <4> The presence of a specific IgE in blood to an aeroallergen.
Output (English): medicine