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 Q]: Question: Legionella pneumophila is transmitted by: 
 Options:  <1> Air conditioning systems. <2> Contact between individuals. <3> Mosquito bite. <4> Contaminated food. <5> Fecal-oral route.
[EX A]: 1

[EX Q]: Question: Question linked to image no. 9 To rule out situations that may simulate the patient's manifestations and establish a differential diagnosis, we must continue with the interrogation. One of the following habits or antecedents would be difficult to relate to the facial alterations observed. Point out which one. 
 Options:  <1> Habit of stretching the hairs (trichotillomania). <2> A sexually transmitted disease <3> Contact with people or geographic areas with leprosy. <4> Drug intake. <5> History of hyperuricemia.
[EX A]: 5

[EX Q]: Question: Catalase: 
 Options:  <1> Acts on hydrogen peroxide. <2> It results in the formation of hydrogen peroxide. <3> It acts on the superoxide anion. <4> It converts hydrogen peroxide into superoxide anion. <5> Use glutathione as a cofactor.
[EX A]:
1