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: In gas chromatography, derivatization is very common, with several objectives. One of those discussed below is not among them: 
 Options:  <1> Increase the volatility of non-volatile compounds. <2> Avoid the decomposition of a compound, improving its stability. <3> Reduce the absorption on active surfaces of the walls of the column and the solid support. <4> Fragment the analyte in molecular ions of easier separation. <5> Improve the separation of closely related compounds with a very poor separation.

Output: 4


Input: Consider Input: Question: Which amino acid serves as a starting point for the synthesis of porphyrins (heme group)? 
 Options:  <1> Valina <2> To the girl. <3> Asparagine <4> Lysine <5> Glycine

Output: 5


Input: Consider Input: Question: All the following events occur during the formation of phosphoenolpyruvate from pyruvate EXCEPT: 
 Options:  <1> CO2 is consumed. <2> CO2 comes out. <3> CoA is needed. <4> ATP hydrolyzes. <5> GTP is hydrolyzed.


Output: 3