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.

[EX Q]: Question: Mrs. H. H. 69 years old complains that she does not sleep well. Regarding sleep in the elderly, it has been proven that: 
 Options:  <0> The non-pharmacological approach to insomnia has proved ineffective in this population. <1> The aging process is one of the main causes of insomnia. <2> They have a worse quality sleep, more fragmented and with early awakenings. <3> For the treatment of insomnia, the benzodiazepines of long half-life are those with the least side effect. <4> All hypnotics have the same side effects in the elderly.
[EX A]: nursery

[EX Q]: Question: The near infrared is the area of ​​the electromagnetic spectrum comprised between: 
 Options:  <0> 100-250 nm. <1> 200-450 nm. <2> 600-750 nm. <3> 800-2500 nm. <4> 3000-8000 nm.
[EX A]: chemistry

[EX Q]: Question: For humans, the essential amino acids are: 
 Options:  <0> All proteins. <1> The non-protein. <2> The basic pH7. <3> Those that are not substrates of any transaminase. <4> Those who do not synthesize them.
[EX A]:
biology