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: What name does the technique used in the treatment of Generalized Anxiety Disorder (GAD) in which the person is asked to assume that their worst fear is met, and then look for realistic solutions to it ?: 
 Options:  <1> Script of the worst scenario. <2> Decatastrofization. <3> Coping with uncertainty. <4> Revaluation of the threat. <5> Processing of meta-concern.
Example Output: 2

Example Input: Question: What speed of perfusion of a drug should you administer to achieve a plasma equilibrium concentration of 10 mg / L knowing that it has a plasma clearance of 500 mL / h? (continuous perfusion): 
 Options:  <1> 50 mg / h. <2> 5 mL / h. <3> 100 mg / h. <4> 100 mg / mL. <5> 5 mg / h.
Example Output: 5

Example Input: Question: The neurohypophysis: 
 Options:  <1> It is a continuation of the hypothalamus. <2> It presents dual hypothalamic control. <3> It receives hypothalamic hormones via blood. <4> It is irrigated by the portal system hypothalamus pituitary gland. <5> It produces prolactin.
Example Output:
1