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: P. C. is a terminally ill patient with oral mucositis and pain, although he retains the ability to eat a solid diet. Which of the following actions would be indicated? 
 Options:  <1> Encourage him to suck pineapple chips. <2> Rinse the mouth with ¾ parts of 0.9% saline and ¼ part of oxygenated water. <3> Make gargles with nystatin alternating with chlorhexidine. <4> Administer viscous lidocaine 2% before meals. <5> Provide a tremix diet.

Ex Output:
4


Ex Input:
Question: The reaction of Wolff-Kishner is one: 
 Options:  <1> Oxidation of carbonyls to give acids. <2> Reduction of carbonyls to alcohols. <3> Deoxygenation of carbonyls that takes place in an acid medium. <4> Deoxygenation of carbonyls that is carried out in an alkaline medium. <5> Carbonyl deoxygenation performed in neutral medium.

Ex Output:
4


Ex Input:
Question: Which of the following tests aims to determine the loss of mass of the tablets by abrasion processes? 
 Options:  <1> Hardness. <2> Disintegration <3> Friability. <4> Dissolution. <5> Uniformity of mass.

Ex Output:

3