instruction:
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.
question:
Question: The cells of the stomach that are responsible for the secretion of hydrochloric acid are: 
 Options:  <0> The main cells. <1> The G cells <2> The parietal cells. <3> The enterocytes. <4> The mucosites of surface.
answer:
nursery


question:
Question: The state characterized by a total absence of consciousness, muscle laxity, absence of response to painful stimuli and posterior lacunar amnesia, is called: 
 Options:  <0> Drowsiness. <1> Mental absence <2> Stupor. <3> Coma. <4> Obnubilation.
answer:
psychology


question:
Question: In the β-oxidation of odd-chain fatty acids, what is the molecule that forms with the last three carbons to enter the citric acid cycle ?: 
 Options:  <0> Propionyl-CoA. <1> Methylmalonyl-CoA. <2> Succinyl-CoA. <3> Succinate <4> Malate.
answer:

chemistry