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: In an electrochemical cell, the supporting electrolyte serves to: 
 Options:  <0> That the principle of electroneutrality in the dissolution is fulfilled. <1> That their ions are electrolized preferably in order to prevent the consumption of electroactive substance. <2> That in the cell there is transport by migration, in order to achieve greater sensitivity. <3> That the solution has an adequate electrical conductivity. <4> Encourage transport by diffusion of the electroactive substance.

Output: chemistry


Input: Consider Input: Question: The biological cycle of Trichinella spiralis is of the following type: 
 Options:  <0> Stenoxene <1> Optional. <2> Triheteroxene <3> Autoheteroxene <4> Heterogónico.

Output: pharmacology


Input: Consider Input: Question: RNA polymerases are characterized by: 
 Options:  <0> Begin RNA synthesis without the need for primers. <1> Synthesize RNA in the 3 '-> 5' direction. <2> A lower error rate than DNA polymerases. <3> Incorporate ribonucleotides without the need for a mold. <4> Enter T instead of U.


Output: biology