Detailed 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'.
Problem:Question: The appearance of difficulties and respiratory infections as a consequence of the diminution of the defenses, is a dysfunction that occurs most likely in: 
 Options:  <1> Manic disorders. <2> Depressive disorders <3> Psychotic disorders <4> Personality disorders. <5> Schizophrenia.
Solution:
2