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: What are the leaders of the Structural / Strategic School of Systemic Therapy? 
 Options:  <0> O'Hanlon and Weiner-Davis. <1> Haley and Minuchin. <2> Weakland and Fisch. <3> Keeney and Ross. <4> Stierlin and Weber.

Answer: psychology


Question: Question: When a person tries to avoid circumstances that increase their stress, exercises relaxation, plans leisure activities and trivializes their illness, it is said that this person is using coping strategies aimed at: 
 Options:  <0> The action. <1> The problem. <2> The omission <3> The emotion. <4> The attention

Answer: nursery


Question: Question: Of the following pairs of surface molecules, what is used by the virgin T lymphocytes to extravasate to the lymph node? 
 Options:  <0> CCR7 and L-selectin. <1> VCAM and L-selectin. <2> CCR7 and ICAM-1. <3> CCR9 and L-selectin. <4> CCR4 and VCAM-1.

Answer:
pharmacology