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'.
--------
Question: Question: It allows to compare proportions of two independent samples the statistical test: 
 Options:  <1> From McNemar. <2> Of Snedecor. <3> Of the median. <4> Exact Fisher. <5> U of Mann-Whitney.

Answer: 4


Question: Question: Organomagnesium compounds are commonly referred to as: 
 Options:  <1> Lipshutz <2> Birch. <3> Grignard. <4> Noyori <5> Blanc.

Answer: 3


Question: Question: Point out the correct statement about the relaxation technique: 
 Options:  <1> Visualization decreases the degree of relaxation. <2> The best relaxation is achieved when the person falls asleep. <3> You can practice relaxation, after continuous practice, in any position and place. <4> In deep breaths it is not advisable to hold the air for a few seconds. <5> If tingling appears, it indicates that the person is not relaxing well.

Answer:
3