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: Which of the following products of the degradation of triacylglycerols and subsequent oxidation can undergo gluconeogenesis? 
 Options:  <0> Propionyl CoA. <1> Acetyl CoA <2> All the ketone bodies. <3> Some amino acids <4> -Hydroxybutyrate.
[EX A]: chemistry

[EX Q]: Question: The chemistry of diazonium salts provides the main synthetic method for preparing aryl fluorides by a process called: 
 Options:  <0> Reorganization of Claisen. <1> Gabriel's reaction. <2> Diazotization reaction. <3> Sandmeyer reaction. <4> Schiemann reaction.
[EX A]: chemistry

[EX Q]: Question: They release noradrenaline the: 
 Options:  <0> Sympathetic preganglionic fibers. <1> Sympathetic Postganglionic Fibers <2> Preganglionic parasympathetic fibers <3> Postganglionic parasympathetic fibers <4> Only the chromaffin cells.
[EX A]:
biology