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: 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: 84-year-old man with severe respiratory failure secondary to carcinomatous lymphangitis associated with gastric cancer. A companion of his service has begun, that same day, treatment with oral morphine 10 mg / 4 hours. The patient is restless, at 34 breaths per minute, O2 saturation is 80% with an FiO2 of 28%. What should his attitude be? 
 Options:  <1> Withdraw treatment because it may worsen respiratory failure. <2> Increase the doses up to 20 mg / 4 hours according to evolution. <3> Increase oxygen flow to 35%. <4> Change the treatment of morphine by scopolamine. <5> To add to a treatment of a risperidon.
Example Output: 2

Example Input: Question: In the treatment of asthma can be used on demand: 
 Options:  <1> Inhaled glucocorticoids at low doses. <2> Long-acting inhaled beta-2 adrenergic agonist. <3> Short-acting inhaled beta-2 adrenergic agonist. <4> Inhaled anticholinergics. <5> Inhaled disodium cromoglycate.
Example Output:
3