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: In the β-oxidation of odd-chain fatty acids, what is the molecule that forms with the last three carbons to enter the citric acid cycle ?: 
 Options:  <1> Propionyl-CoA. <2> Methylmalonyl-CoA. <3> Succinyl-CoA. <4> Succinate <5> Malate.
Example Output: 3

Example Input: Question: What drug should be recommended for the treatment of juvenile myoclonic epilepsy? 
 Options:  <1> Phenobarbital. <2> Valproic acid. <3> Oxcarbazepine <4> Diphenylhydantoin. <5> Topiramate.
Example Output: 2

Example Input: Question: The fundamental criterion for the choice of interventions in a nursing plan is that they are: 
 Options:  <1> Achievable with the available resources. <2> Those recommended in the standardized care plan. <3> Effective regardless of the criteria of the person. <4> Based exclusively on the knowledge of the nurse. <5> All are correct.
Example Output:
1