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: The ketone bodies: 
 Options:  <0> They are used by the liver to synthesize fatty acids. <1> They only form in conditions of good nutrition. <2> Its formation is especially active in skeletal muscle. <3> It is formed from acetyl-CoA. <4> They never give acetone.
[A]: biology


[Q]: Question: A 26-year-old woman with no previous psychiatric history, she went to the ER brought by her parents, who explained that she had been overactive, nervous, insomniac for a few days. They explain that he obsessively reviews the house's electrical installation in search of video cameras and microphones. In the interview, she tells us that she is being watched by the Police because she is a galactic correspondent with special powers. Which of the following options should NOT be considered as a differential diagnosis? 
 Options:  <0> Obsessive compulsive disorder <1> Schizophrenia. <2> Manic episode. <3> Psychosis due to the consumption of toxic substances. <4> Brain tumor.
[A]: medicine


[Q]: Question: A patient consulted for recent and progressive development of acropachies and general deterioration. The search for possible underlying neoplasia begins. Which of the following tumors is more likely to be diagnosed? 
 Options:  <0> Gastric adenocarcinoma. <1> Esophageal epidermoid. <2> Mediastinal thymoma. <3> Follicular thyroid. <4> Pleural mesothelioma.
[A]:
medicine