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: 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.

Ex Output:
3


Ex Input:
Question: The demographic dynamics of a community is determined by: 
 Options:  <1> Natality <2> Mortality. <3> Immigration. <4> Emigration. <5> All are correct.

Ex Output:
5


Ex Input:
Question: The basal diet, normal or regular, is characterized by: 
 Options:  <1> Be planned by the hotel industry. <2> To be the basic menu of young patients. <3> Always be with salt. <4> Provide around 2200 kcal / day. <5> Be individualized

Ex Output:

4