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'.

Input: Consider Input: Question: The organometallic compounds are derivatives: 
 Options:  <1> With a radical nature. <2> With covalent bonds between carbon atoms and metal atoms. <3> With electronic deficit and electrophilic character. <4> Practically not reactive. <5> With essentially reducing character.

Output: 2


Input: Consider Input: Question: Which of the nucleophiles listed below has a greater reactivity to the bimolecular nucleophilic substitution reaction? 
 Options:  <1> Hydroxide. <2> I last. <3> Ammonia. <4> Water. <5> Acetic acid.

Output: 2


Input: Consider Input: Question: In the treatment of alcoholism, what is Exposure Therapy based on the behavior of drinking? 
 Options:  <1> In the Respondent Conditioning. <2> In operant conditioning. <3> In social learning. <4> In the Saciation. <5> In Cognitive Reatribution.


Output: 1