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: The pentose phosphate pathway produces:
Options: <1> NADH and acetyl-CoA. <2> NADPH and ribose-5-phosphate. <3> NADH and ribose-5-phosphate. <4> Urea. <5> Ribulose-1,5-bisphosphate.
Example Output: 2

Example Input: Question: What is interpersonal therapy of social rhythm (or interpersonal and social rhythm therapy)?
Options: <1> An adaptation of interpersonal therapy to the treatment of dysthymic disorder. <2> An adaptation of interpersonal therapy to the treatment of severe major depressive disorder. <3> A therapy resulting from combining interpersonal therapy, behavioral activation therapy and social problem solving therapy. <4> An adaptation of interpersonal therapy for patients with major depressive disorder who have serious problems in their social relationships. <5> An adaptation of interpersonal therapy to the treatment of bipolar disorder.
Example Output: 5

Example Input: Question: A patient with an internal arteriovenous fistula in the left arm will recommend:
Options: <1> Put on a compressive bandage for protection. <2> Perform elbow flexion and extension exercises to activate their maturation. <3> Feel the fistula daily to check that it works. <4> Clean the surrounding skin with an antiseptic every day. <5> Lift weight with that hand to achieve vascular remodeling.
Example Output:
3