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 of the following anti-infectives is a reversible inhibitor of monoamine oxidase that can lead to interactions with antidepressants that increase serotonin? 
 Options:  <1> Neomycin. <2> Teicoplanin <3> Linezolid. <4> Clindamycin <5> Meropenem.

Output: 3


Input: Consider 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

Output: 1


Input: Consider Input: Question: Mesna (sodium 2-mercaptoethanesulfonate) is used together with cyclophosphamide in antitumor therapy because: 
 Options:  <1> They form a ternary complex with DNA that prevents replication. <2> Mesna inactivates a toxic metabolite that results from the activation of cyclophosphamide. <3> Both are DNA alkylating agents. <4> The oxidizing properties of mesna increase the cytotoxicity of cyclophosphamide. <5> Mesna inhibits cytochrome P-450 that oxidizes and degrades cyclophosphamide.


Output: 2