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: Pseudomonas aeruginosa is: 
 Options:  <0> Able to ferment a large variety of sugars. <1> Often resistant to many antibiotics for medical use. <2> Responsible for toxi-alimentary infections. <3> Part of the normal microbiota of the skin. <4> A commensal bacterium of the digestive tract.
[A]: biology


[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: What is the most commonly used term to designate the most intense degree of distraction and the complete absence of attention? 
 Options:  <0> Attentional perplexity. <1> Attention indifference. <2> Hyperprosexia. <3> Mental absence <4> Aprosexia.
[A]:
psychology