Instructions: 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'.
Input: Question: P. L. complains of gastroesophageal reflux and although he takes the prescribed drugs he acknowledges that he did not carry out the diet because he thought it was not important. Now he asks for dietary recommendations. Which one is indicated ?:
Options: <1> Take very cold foods. <2> Take very hot foods. <3> Drink liquids at lunch and dinner. <4> Take low fat diet. <5> Drink citrus juices.
Output:
4