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: The gluten-free diet is the cornerstone in the treatment of celiac disease. In this regard, there are numerous products manufactured with an uncertain composition in terms of gluten, often being misleading labeling. Of the following food groups, which one can we consider completely safe in the diet of a celiac patient? 
 Options:  <1> Canned meat: Hamburgers, meatballs. <2> Milk and derivatives: yogurt, cheese, cream, curd. <3> Sauces, condiments and food additives. <4> Integral pasta: noodles, macaroni, noodles. <5> Delicatessen products, sausages, pâtés.

Ex Output:
2


Ex 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.

Ex Output:
2


Ex Input:
Question: In certain cases it is necessary to carry out previous treatments with oxidizing or reducing agents in redox evaluations in order to: 
 Options:  <1> Transform the analyte to an adequate oxidation state for subsequent evaluation. <2> Ensure that all the analyte is in solution. <3> Prepare the indicator solution so that it correctly rotates at the end point. <4> Make the reaction between titrator and analyte complete. <5> Improve the accuracy of the assessment.

Ex Output:

1