Definition: In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
Input: Question: In the first stage of Fairburn's behavioral cognitive treatment for bulimia nervosa, one of the objectives is: 
 Options:  <0> Modify maladaptive social interaction patterns. <1> Establish effective communication patterns. <2> Work on the suppression of diet follow-up. <3> Modify adaptive family functioning patterns. <4> Present the model that explains the maintenance of the problem.
Output:
psychology