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'.
Q: Question: For what disorder of ingestion and eating behavior of childhood is it recommended to use mass practice procedures ?:
Options: <1> The pica. <2> Bulimia nervosa. <3> The rumination. <4> Childhood anorexia <5> The eating disorder of childhood and childhood.
A:
3