Task: Question Answering
Input (English): Question: Which of the following statements regarding constipation in the terminal patient is correct ?: 
 Options:  <1> It is a rare symptom. <2> Its most common cause is the administration of opioids. <3> The basic therapy will consist in the administration of enemas. <4> Its etiology is unifactorial. <5> It must be treated with a diet rich in fiber.
Output (English): 2