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'.

Example Input: Question: A patient diagnosed with chronic renal failure has tingling and paresthesias in the legs. This is due to: 
 Options:  <1> Vascular alterations produced by hyperlipidemia. <2> Peripheral neuropathy associated with uremia. <3> Hyperphosphatemia secondary to renal osteodystrophy. <4> Decreased peripheral perfusion as a result of anemia. <5> Hypercalcemia produced by decreased glomerular filtration.
Example Output: 2

Example Input: Question: What degree of mental disability corresponds to an IQ of thirty-six? 
 Options:  <1> Mental disability limit. <2> Mild mental disability. <3> Moderate mental disability. <4> Severe mental disability. <5> Deep mental disability.
Example Output: 3

Example Input: Question: The tube of very small diameter and about 6 meters in length that runs along the posterolateral side of the testicle and connects with the vas deferens, is it called? 
 Options:  <1> Prostate. <2> Epididymis <3> Urethra. <4> Epéndimo. <5> Seminiferous tubule.
Example Output:
2