Definition: 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: GH secretion: 
 Options:  <1> It stops after puberty. <2> Increase during the fast. <3> It decreases during sleep. <4> It is stimulated by somatostatin. <5> It is inhibited by exercise.
