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: For which of the following steps of protein synthesis GTP (Guanosine triosphate) is needed: 
 Options:  <0> Activation of amino acids by aminioacyl-tRNA synthetases. <1> Union of ribosomes to the endoplasmic reticulum. <2> Translocation of nascent tRNA-protein complex from place A to place P. <3> Union of mRNA. <4> Union of signal recognition protein to ribosomes.

Output: chemistry


Input: Consider Input: Question: Enterobacteriaceae are bacteria: 
 Options:  <0> Able to breathe and ferment. <1> Cytochrome C oxidase positive. <2> Mobiles with polar flagellation. <3> Lacking lipopolysaccharide. <4> Always associated with the intestine of mammals.

Output: biology


Input: Consider Input: Question: Which of the nucleophiles listed below has a greater reactivity to the bimolecular nucleophilic substitution reaction? 
 Options:  <0> Hydroxide. <1> I last. <2> Ammonia. <3> Water. <4> Acetic acid.


Output: chemistry