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: The terpene that contains 10 carbon atoms and is derived from two isoprene units is called: 
 Options:  <0> Diterpene <1> Monoterpene <2> Sesquiterpene <3> Triterpene <4> Meroterpeno.
[EX A]: chemistry

[EX Q]: Question: The reaction of 1H-indole with electrophiles takes place selectively on the atom in position: 
 Options:  <0> one. <1> two. <2> 3. <3> Four. <4> 5.
[EX A]: chemistry

[EX Q]: Question: The minimum amount of auditory stimulation needed to begin to identify the lyrics of a song is a threshold: 
 Options:  <0> Absolute. <1> Subliminal. <2> Differential. <3> Relative. <4> Musical.
[EX A]:
psychology