TASK DEFINITION: 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'.
PROBLEM: Question: Free samples of industrially manufactured medicines are considered exceptional publicity; as such, they will only be delivered during a maximum time of: 
 Options:  <1> One year from the date of authorization of the medication. <2> Five years from the date of authorization of the medication. <3> Six months from the date of authorization of the medication. <4> Two years from the date of authorization of the medication. <5> One month from the date of authorization of the medication.

SOLUTION: 4

PROBLEM: Question: The negative symptomatology of schizophrenia seems to be caused by: 
 Options:  <1> The excessive activity of some dopaminergic neural circuits. <2> The excessive activity of the GABAergic neurons. <3> The existence of brain damage. <4> Have a gene for schizophrenia that causes negative symptoms. <5> Insufficient activity of the serotonergic neurons of the frontal lobe.

SOLUTION: 3

PROBLEM: Question: If, by adding a drop of H2O2 to a bacterial suspension, bubbles (O2) are generated, the bacteria produce: 
 Options:  <1> Cytochrome C oxidase. <2> Oxygenase <3> Superoxide dismutase. <4> Catalase <5> Anhydrase

SOLUTION:
4