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 reaction conditions for transforming nonanamide into octanamine and carbon dioxide are:
Options: <0> H2, metallic catalyst. <1> Excess of CH3I, K2 CO3. <2> Cl2, NaOH, H2O. <3> LiAlH4, diethyl ether and then hydrolysis. <4> CH2N2, diethyl ether.

Output: chemistry

Input: Consider Input: Question: Which of the following compounds in a fundamental intermediate of the synthesis of triacylglycerols and phospholipids:
Options: <0> CDP-choline. <1> Phosphatidate <2> Triglyceride <3> Phosphatidylserine <4> CDP-diacylglycerol.
Output: chemistry