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 study is being conducted in a health center to determine the effect of exposure to tobacco smoke in children of smoking parents. For this purpose, a group of healthy children between 3 and 7 years old whose parents are smokers is selected and at the same time an equal number of children whose parents are non-smokers are selected in the same center. A year later, the appearance of respiratory diseases during that year will be investigated in both groups. Indicate the correct answer: 
 Options:  <1> The study design is a prospective cohort. <2> The study design is cases and controls. <3> The study design follows a qualitative methodology. <4> The study is experimental. <5> The type of design used is efficient to study rare diseases.

Output: 1


Input: Consider Input: Question: Mast cells or mast cells belong to the tissue: 
 Options:  <1> Epithelial. <2> Conjunctive. <3> Adipose <4> Lymphoid <5> Nervous.


Output: 2