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 fear or belief of suffering an important disease, which arises in the subject from the erroneous interpretation of their bodily symptoms, is the nuclear characteristic of: 
 Options:  <1> The conversion disorder. <2> Hypochondria. <3> Panic disorder <4> The Depression <5> Somatization
Example Output: 2

Example Input: Question: Friedel-Crafts alkylation reactions lead to products that: 
 Options:  <1> They facilitate diazotization reactions. <2> They facilitate the reactions of formation of ethers. <3> Activate the aromatic ring against other substitutions. <4> They deactivate the aromatic ring against other substitutions. <5> None of the above.
Example Output: 3

Example Input: Question: Question linked to image nº6 29-year-old woman smoker. Consultation for nocturnal cough and dyspnea on exertion. Provides a chest CT performed at your health center (see image). What is the radiological diagnosis of suspicion? 
 Options:  <1> Mediastinal broadening. <2> Bibasal interstitial infiltrate. <3> Aortic dilatation <4> Atelectasia lobar. <5> Growth of right cavities.
Example Output:
1