In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

Input: Consider Input: Question: Transketolase catalyzes the transformation of ribose-5-phosphate and xylulose-5-phosphate into: 
 Options:  <1> Two molecules of ribulose-5-phosphate. <2> Sedoheptulose-7-phosphate and glyceraldehyde-3-phosphate. <3> Fructose-6-phosphate and erythrose-4-phosphate. <4> Glyceraldehyde-3-phosphate and glucose-6-phosphate. <5> 6-Phosphogluconate and glyceraldehyde-3-phosphate.

Output: 2


Input: Consider Input: Question: The virus (virusoid) of hepatitis D (agent δ) needs to co-infect with the hepatitis virus: 
 Options:  <1> TO. <2> B. <3> C. <4> AND. <5> G.

Output: 2


Input: Consider Input: 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: 5