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: The restriction enzymes hydrolyze bonds: 
 Options:  <0> Phosphodiester <1> Glucosidics <2> Peptides <3> Ionic <4> By hydrogen bridges.

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: The denaturation of proteins: 
 Options:  <0> It is accompanied by the loss of their activity. <1> It supposes the rupture of peptide bonds. <2> It is always an irreversible process. <3> Alter its primary structure. <4> It is carried out by chaperone proteins.


Output: biology