Detailed Instructions: 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'.
Problem: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.
Solution:
1