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: Among other properties with respect to hypericin we can indicate: 
 Options:  <0> It is a powerful hepatoprotector extracted from the roots of Hypericum perforatum. <1> It is a powerful cholagogue that is extracted from the resin of the Hypericum perforatum rhizome. <2> It is a removable antiretroviral of the aerial parts of Hypericum perforatum. <3> It is a laxative that is extracted from the leaves of Hypericum perforatum. <4> It is a potent hepatoprotective present in the fruits of Hypericum perforatum.

Answer: pharmacology


Question: Question: What cognitive technique is used in Rational Emotive Behavior therapy to help people who have intellectual difficulties? 
 Options:  <0> Reduction to the absurd. <1> Cognitive distraction <2> Training in social skills. <3> Rational-emotive imagination. <4> Training in self-instructions.

Answer: psychology


Question: Question: For which disorder is the technique of fading stimulated frequently used? 
 Options:  <0> Enuresis <1> The selective mutism. <2> Childhood asthma <3> Posttraumatic stress disorder secondary to sexual abuse. <4> The encopresis.

Answer:
psychology