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 medium that is used to detect the production of acetoin (butylene glycol) from pyruvic acid in the fermentation of glucose is called: 
 Options:  <0> Kligler. <1> Methyl red. <2> Voges Proskauer. <3> ONPG (ortho-nitrophenyl-galactopyranoside) <4> Beta-glucuronidase.
Example Output: pharmacology

Example Input: Question: Pseudomonas aeruginosa is: 
 Options:  <0> Able to ferment a large variety of sugars. <1> Often resistant to many antibiotics for medical use. <2> Responsible for toxi-alimentary infections. <3> Part of the normal microbiota of the skin. <4> A commensal bacterium of the digestive tract.
Example Output: biology

Example Input: Question: A promoter place in the DNA: 
 Options:  <0> Transcribe the repressor. <1> Start the transcription. <2> It encodes the RNA polymerase. <3> Regulate the termination. <4> Translate specific proteins.
Example Output:
chemistry