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: A teenager with obsessive-compulsive disorder phones the Toxicological Information Service to ask if he can safely use an insecticide for cockroaches. What is the name of this escape behavior?
Options: <0> Ascertainment. <1> Rationalization. <2> Reinsurance. <3> Ritualization <4> Testing.
[A]: psychology

[Q]: Question: Agoraphobia is an anxiety disorder that consists of:
Options: <0> An anxiety crisis or panic attacks that usually occur in an unexpected way. <1> An intense and persistent fear of performing public performances. <2> The presence of obsessions or compulsions of a recurring nature that cause great losses of time. <3> An acute mental disorder with a low socioeconomic and health burden. <4> The fear and avoidance of crowded places or situations from which it is difficult to escape.
[A]: nursery

[Q]: Question: What thrombophilia study would be of interest to a woman with repeat abortions?
Options: <0> Determination of fibrinogen. <1> C-reactive protein. <2> PAI-1. <3> Lupus anticoagulant. <4> Reptile time.
[A]:
pharmacology