Task: Question Answering
Input (English): 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.
Output (English): 4