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'.
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Question: Question: Esters can be obtained from carboxylic acids and alcohols, by applying the Fischer esterification reaction in which: 
 Options:  <1> A base is used as a catalyst. <2> A ketone is used as the solvent. <3> A reducing reagent is used. <4> An oxidizing agent is used. <5> Acid catalysis is used.

Answer: 5


Question: Question: Point out the correct answer regarding therapy for Rehm's depression: 
 Options:  <1> It focuses on three processes: self-tracking, self-esteem and self-reinforcement. <2> It has no empirical evidence to be considered well-established treatment. <3> Each of its components separately have been shown to be as effective as the complete treatment. <4> It presents a strong cognitive component. <5> It has been shown superior to interpersonal therapy and problem solving.

Answer: 3


Question: Question: The acronym ECM, in the labeling of medicines, has the meaning of: 
 Options:  <1> European Competency Medication [acronym in English]. <2> Marketing Container for Wholesalers. <3> Special Medical Control. <4> Mechanical Control Package. <5> Specialty of Massive Consumption.

Answer:
3