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'.

Ex Input:
Question: Which of the following staining techniques is important in the diagnosis of infections caused by Corynebacterium diphtheriae? 
 Options:  <1> The capsule staining. <2> Staining of metachromatic granules. <3> The acid-alcohol resistance stain. <4> Negative staining <5> The staining of endospores.

Ex Output:
2


Ex Input:
Question: In the preoperative period (2-6 years) the child usually thinks that the things of nature (rivers, mountains, etc.) have been built by the human being. This feature is called: 
 Options:  <1> Animism. <2> Realism. <3> Artificialism <4> Utilitarianism. <5> Pre-operative error

Ex Output:
3


Ex Input:
Question: A 63-year-old man, who has been receiving an antidepressant for 3 years. He comes to the emergency room due to an intense hypertensive crisis, with tachycardia and headache. The patient reports that the day before he was watching the football game in a bar, and that he has taken a sandwich of cheese and sausages, and over 3 glasses of beers. What antidepressant could it be? 
 Options:  <1> Tranylcypromine <2> Fluoxetine. <3> Venlafaxine <4> Imipramine <5> Duloxetine

Ex Output:

1