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 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: Creatine phosphate: 
 Options:  <1> It is a low-energy hydrolysis compound. <2> It is a compound of energy storage in the kidney. <3> It is formed from ornithine. <4> It is a compound of energy storage in the muscle. <5> It is formed from tyrosine.
Example Output: 4

Example Input: Question: The sensory signals arrive mainly at the layer of the cerebral cortex number: 
 Options:  <1> II. <2> III. <3> IV. <4> V. <5> SAW.
Example Output:
3