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: 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.

Output: 3


Input: Consider Input: Question: A 47-year-old man consulted for edema in lower limbs of 3 weeks of evolution. In blood analysis, creatinine 1.3 mg / dL, total cholesterol 270 mg / dL and albumin 2.4 g / dL. In the urine sediment, it presents 15-20 red cells per field and in urine of 24 hours proteinuria is detected 3.7 g / day. What is the most likely diagnosis? 
 Options:  <1> Minimal change disease. <2> Focal and segmental glomerulosclerosis. <3> Membranous nephropathy <4> Membranoproliferative glomerulonephritis type I. <5> Mesangial proliferative glomerulonephritis.

Output: 3


Input: Consider Input: Question: It is activated when cyclic AMP joins the: 
 Options:  <1> Adenylate cyclase. <2> Protein kinase A. <3> Glycogen phosphorylase kinase. <4> Pyruvate kinase. <5> Phosphofruct kinase 1.


Output: 2