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 moments of the electrocardiogram corresponds to the depolarization stage of the ventricular myocardium ?: 
 Options:  <1> Onda P. <2> Onda T. <3> Segment T-P. <4> Segment P-Q. <5> QRS wave.

Output: 5


Input: Consider Input: Question: Plasma ICP is more suitable for rapid multielemental analysis than flame atomic absorption methods because: 
 Options:  <1> The linearity interval is not wide, which allows for very sensitive analyzes. <2> The ICP has several possibilities to introduce the sample using different types of nebulizers. <3> They use two photomultiplier tubes, one for the ultraviolet region and the other for the visible one. <4> It has load-coupled silicon solid-state detectors that allow simultaneous monitoring of a large number of lines, reducing analysis time, sample volume and improving detection limits. <5> It is not correct, because with the ICP plasma, multielemental analysis can not be done.

Output: 4


Input: Consider Input: Question: What would be the differential characteristic between an eating disorder and another that presents with significant weight loss and / or anomalous eating patterns ?: 
 Options:  <1> The sleep problems. <2> The pathological fear of getting fat or the overestimated idea of ​​losing weight. <3> The social difficulties. <4> The high anxiety. <5> The fear of malnutrition.


Output: 2