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.

Input: Consider Input: Question: By reaction of carbonyls with primary and secondary amine, the following are obtained:
Options: <0> Iminas and oximes. <1> Iminas and enaminas. <2> Oxazones and hydrazones. <3> Semicarbazones and nitrones. <4> None of the above.

Output: chemistry

Input: Consider Input: Question: The hydrolysis of phosphatidylinositol 4,5-bisphosphate (PIP2) by phospholipase C generates the following second messengers:
Options: <0> Inositol 1,4,5-trisphosphate and triacylglycerol. <1> Inositol 1,4, 5-trisphosphate and glycerol. <2> Inositol 1,4, 5-trisphosphate and diacylglycerol. <3> Inositol 4,5-bisphosphate and diacylglycerol. <4> Inositol 4,5-bisphosphate and glycerol.

Output: chemistry

Input: Consider Input: Question: Indicate which of the following compounds is a fibrous protein:
Options: <0> Chymotrypsin <1> Cytochrome c. <2> Alpha-keratin <3> Lysozyme <4> Ribonuclease.
Output: pharmacology