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: 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: Reva Rubin identifies maternal behavior after delivery in three stages: 
 Options:  <1> Acceptance, Support and Abandonment. <2> Acceptance, Denial and Encounter. <3> Denial, Affirmation and Dependency. <4> Affirmation, Affirmation and Support. <5> Coping, Dependence and Help.

Output: 1


Input: Consider Input: Question: The complementary drug protection certificate has a maximum duration of: 
 Options:  <1> Five years. <2> Seven years. <3> Ten years. <4> Fifteen years. <5> Twenty five years.


Output: 1