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.

Example Input: Question: What is the purpose of the phthalyl group in phthalisulfatiazole ?: 
 Options:  <0> Improve intestinal absorption. <1> Prevent intestinal absorption. <2> Improve the passage through the blood-brain barrier. <3> Prevent passage through the blood-brain barrier. <4> Increase the affinity towards the therapeutic target of the drug.
Example Output: pharmacology

Example Input: Question: What are the advantages of the inventories usually used in child assessment? 
 Options:  <0> They provide standardized scores and reduce evaluation costs. <1> They facilitate obtaining detailed information about the problem. <2> They provide eneatipos. <3> They allow to gather information from different areas related to the current problem. <4> They can be applied to both adults and children.
Example Output: psychology

Example Input: Question: In general, allosteric enzymes: 
 Options:  <0> They link the effectors in the active center. <1> They form covalent bonds with their negative effectors. <2> They originate hyperbolic curves of speed before the concentration of substrate. <3> They change their conformation when they link effectors. <4> They are irreversibly modified when they are inhibited.
Example Output:
biology