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.

Q: Question: What is the purpose of the phthalyl group in phthalisulfatiazole ?: 
 Options:  <0> Improve intestinal absorption. <1> Prevent intestinal absorption. <2> Improve the passage through the blood-brain barrier. <3> Prevent passage through the blood-brain barrier. <4> Increase the affinity towards the therapeutic target of the drug.

A: pharmacology
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Q: Question: Which of the following statements about the technique of emotive images is FALSE? 
 Options:  <0> It is a variant of systematic desensitization. <1> It was developed to treat phobias of small children or with difficulties to relax. <2> It is a multicomponent program for the treatment of childhood phobias. <3> It is usually induced an inhibitory response to anxiety other than relaxation. <4> It can be used for the treatment of medical fears.

A: psychology
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Q: Question: According to the World Health Organization, the action taken on individuals to change their behavior is called: 
 Options:  <0> Health Impact Evaluation. <1> Education for health. <2> Participatory intervention in Health. <3> Empowerment <4> Educational Transition in Health.

A:
nursery
****