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: The lithium aluminum hydride reacts with the carboxylic acids to give: 
 Options:  <0> Esters. <1> Ketones <2> Tertiary alcohols. <3> Secondary alcohols <4> Primary alcohols.
Example Output: chemistry

Example Input: Question: The reaction of 3-nitrobenzaldehyde with NaBH 4 in aqueous methanol gives: 
 Options:  <0> 3-Aminobenzaldehyde. <1> 3-nitrobenzoic acid. <2> 1-Methyl-3-nitrobenzene. <3> 3-Nitrobenzoate sodium. <4> (3-Nitrophenyl) methanol.
Example Output: chemistry

Example Input: Question: What characterizes the objective techniques of psychophysiological evaluation? 
 Options:  <0> They are tests with a high ecological validity. <1> Environmental factors (e.g., light, temperature) can affect the reliability of the record. <2> The anxious subjects usually have the same level of activation as the non-anxious ones. <3> Subjects with different anxiety disorders usually have similar patterns of activation at baseline. <4> Subjects with different anxiety disorders usually have similar responses to different stimuli.
Example Output:
psychology