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: They are reservoirs of Q fever (Coxiella burnetti): 
 Options:  <1> Bats <2> Poultry. <3> Rodents <4> Dogs. <5> Cows, sheep and goats.

Ex Output:
5


Ex Input:
Question: Regarding gastroesophageal reflux disease, which of the following statements is true? 
 Options:  <1> The intensity and frequency of heartburn has little relationship with the presence and severity of endoscopic esophagitis. <2> Most patients with gastroesophageal reflux disease have esophagitis at endoscopy. <3> Treatment with proton pump inhibitors usually achieves good control of symptoms but is not superior to placebo in the endoscopic cure of esophagitis. <4> Barrett's esophagus can progress to low-grade epithelial dysplasia, high-grade epithelial dysplasia, and finally squamous cell carcinoma of the esophagus. <5> Endoscopic screening and surveillance programs have unequivocally shown to be able to reduce mortality in patients with Barrett's esophagus.

Ex Output:
1


Ex Input:
Question: Question linked to image # 7 In the previous patient, which of the following attitudes would be less justified? 
 Options:  <1> Perform a chest CT scan. <2> Request serum levels of alpha-1-antitrypsin. <3> Ask for a 6 minute walk test. <4> Request skin allergy tests. <5> Start treatment with bronchodilators.

Ex Output:

4