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 Input:
Question: The alkali halides, MX: 
 Options:  <1> They are solids that melt below 100ºC. <2> They form crystals of intense colors. <3> They can be obtained by reaction of the M2CO3 carbonates with the aqueous solutions of the HX hydrogen halides. <4> None of them can be found in nature. <5> They are liquid at room temperature.

Ex Output:
3


Ex Input:
Question: In relation to the bacterial growth in liquid medium not renewed, which of the following statements is correct? 
 Options:  <1> The generation time is a constant parameter. <2> The phase of exponential growth is perpetual. <3> There is a direct relationship between the specific growth rate and the generation time. <4> There is an inverse relationship between the specific growth rate and the generation time. <5> The generation time and the specific growth rate are not related.

Ex Output:
4


Ex Input:
Question: Question linked to image # 5 In this patient, what should be the initial treatment? 
 Options:  <1> Perform a diagnostic angiography plus an associated fibrinolysis. <2> Modify vascular risk factors, physical exercise and medical treatment. <3> The surgery of revascularization by bypass or by endovascular surgery. <4> Perform an urgent embolectomy. <5> Analgesic treatment and decrease physical exercise until symptoms improve.

Ex Output:

2