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.
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Question: 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.

Answer: psychology


Question: Question: The solubility of copper hydroxide in the presence of a high concentration of ammonia: 
 Options:  <0> Increased by formation of a complex ion of Cu2 + with NH3. <1> It is not affected because there is no common ion effect. <2> Decreases by common ion effect. <3> It decreases upon oxidation of bromide to molecular bromine. <4> It decreases because the hydroxides are more soluble in acidic medium.

Answer: chemistry


Question: Question: What do behavioral treatments for major depressive disorder have in common? 
 Options:  <0> The use of exposure techniques to stressful situations. <1> The main objective of modifying maladaptive beliefs and assumptions that make a person vulnerable to depression. <2> Which are unstructured therapies and without a limited number of sessions. <3> The main objective of increasing the positive reinforcement received by the depressed person. <4> The main objective of relating depression to problematic interpersonal situations.

Answer:
psychology