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: One of the characteristics of the primary delirium experience is: 
 Options:  <0> Its greater modifiability, compared with the secondary one. <1> The primary obsessive concern of the patient to control reality. <2> That does not have its origin in a previous anomalous experience. <3> That is not maintained with intense conviction. <4> Which is plausible
[A]: psychology


[Q]: Question: For the analysis of traces of inorganic constituents, in samples of organic nature, a preliminary treatment of the sample is needed, which normally consists of: 
 Options:  <0> Dissolve the sample in cold water. <1> Dissolve the sample in hot water. <2> Dissolve the sample between 30 and 70 ºC. <3> Heat the sample between 400 and 700 ºC. <4> Heat the sample in 0.1 M hydrochloric acid.
[A]: chemistry


[Q]: Question: With which of the following disorders does nocturnal enuresis have a higher comorbidity ?: 
 Options:  <0> Nightmares. <1> Attention deficit disorder with hyperactivity. <2> Insomnia. <3> Night Bruxism. <4> Night terrors.
[A]:
psychology