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: In gas chromatography, derivatization is very common, with several objectives. One of those discussed below is not among them: 
 Options:  <1> Increase the volatility of non-volatile compounds. <2> Avoid the decomposition of a compound, improving its stability. <3> Reduce the absorption on active surfaces of the walls of the column and the solid support. <4> Fragment the analyte in molecular ions of easier separation. <5> Improve the separation of closely related compounds with a very poor separation.

Ex Output:
4


Ex Input:
Question: Which of the following antifungals is used in the treatment of invasive aspergillosis and severe candidiasis including Candida krusei and Candida glabrata ?: 
 Options:  <1> Voriconazole <2> Miconazole <3> Ketoconazole <4> Fluconazole <5> 1 and 3 are correct.

Ex Output:
1


Ex Input:
Question: In a hypothesis test, the beta error is called the probability of: 
 Options:  <1> Accept a null hypothesis being true. <2> Reject a null hypothesis being false. <3> Accept an alternative hypothesis being true. <4> Reject an alternative hypothesis being false. <5> Accept a null hypothesis being false.

Ex Output:

5