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: The standard free energy of activation of a reaction is: 
 Options:  <1> The difference in free energy between the basal state of the products and the substrates. <2> The difference of the enthalpy minus the entropy of the system. <3> The basal energy of the substrates in a catalyzed reaction. <4> The additional free energy that molecules must reach to reach the state of transition. <5> The energy released from a catalysed reaction.
Example Output: 4

Example Input: Question: In relation to intoxication by anticholinergic agents, point out the correct answer. 
 Options:  <1> In its treatment, atropine is used. <2> The presence of grade III or IV encephalopathy, acute renal failure and severe coagulopathy indicate liver transplantation. <3> Dantrolene is indicated in case of seizures. <4> The basic treatment consists of the repeated administration of activated charcoal and support measures. <5> The decrease in plasma cholinesterase confirms the diagnosis.
Example Output: 4

Example Input: Question: What taste do you think can mask the bitter taste of an oral solution: 
 Options:  <1> Licorice. <2> Apricot. <3> Vanilla. <4> Anise. <5> Raspberry.
Example Output:
4