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: In general, water intake should be increased in patients undergoing chemotherapy with the aim of: 
 Options:  <1> Prevent kidney damage. <2> Fluidify bronchial secretions. <3> Relieve post-chemotherapy nausea. <4> Increase the volume. <5> Decrease the risk of infection.
Example Output: 1

Example Input: Question: In the preoperative period (2-6 years) the child usually thinks that the things of nature (rivers, mountains, etc.) have been built by the human being. This feature is called: 
 Options:  <1> Animism. <2> Realism. <3> Artificialism <4> Utilitarianism. <5> Pre-operative error
Example Output: 3

Example Input: Question: Patients with dysphagia should avoid the following foods, EXCEPT: 
 Options:  <1> Homogeneous purees. <2> With a fibrous texture, such as asparagus, pineapple, serrano ham. <3> That contain thorns and bones. <4> They crumble in the mouth, like rice, potato chips. <5> Sticky and dense foods, like sliced ​​bread.
Example Output:
1