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: Amantadine is a drug that can be used as:
Options: <1> Antiviral and antiparkinsonian. <2> Antipsychotic and antiemetic. <3> Anxiolytic and antifungal. <4> Antifungal and antiparkinsonian. <5> Antifungal and anti-migraine.

Ex Output:
1

Ex Input:
Question: They are reservoirs of Q fever (Coxiella burnetti):
Options: <1> Bats <2> Poultry. <3> Rodents <4> Dogs. <5> Cows, sheep and goats.

Ex Output:
5

Ex Input:
Question: The anterior pituitary gland:
Options: <1> It is part of the hypothalamus. <2> It is regulated hormonally. <3> It communicates with the neurohypophysis. <4> It releases ADH and oxytocin. <5> It is formed by neurons.

Ex Output:
2