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: 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.
[A]: nursery


[Q]: Question: Isopropyl alcohol is prepared from petroleum by hydration of: 
 Options:  <0> Isobutene <1> Eteno <2> Penteno <3> Buteno. <4> Propene
[A]: chemistry


[Q]: Question: Imagine that you are in the supermarket with your neighbor and notice that you have a bruise on your eye. What heuristic would be applied if it overestimates the possibility that it is due to a problem of abuse? 
 Options:  <0> Representativeness <1> Availability / Accessibility <2> Simulation. <3> Anchoring-Adjustment. <4> False consensus.
[A]:
psychology