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: Point out which of the following is more clearly a positive symptom of schizophrenia: 
 Options:  <0> The flat or dull affection. <1> The poverty of language. <2> The associability. <3> Hallucinations <4> The bulimia.
[A]: psychology


[Q]: Question: The number of Barr corpuscles of the cells of a man with karyotype 48, XXXY is: 
 Options:  <0> two. <1> one. <2> 0 <3> 3. <4> Four.
[A]: biology


[Q]: Question: The blood flow velocity is maximum in: 
 Options:  <0> Great arteries <1> Distribution arteries. <2> Arterioles <3> Capillaries <4> Venules
[A]:
biology