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.

Ex Input:
Question: Graphite: 
 Options:  <0> It gives intercalation compounds with fluorine. <1> Reacts with sodium to give a covalent compound with C ̶ Na bond. <2> Reacts with sodium to give intercalation compounds that have the same distance between layers that pure graphite had. <3> Reacts with sodium to give intercalation compounds that are better electrical conductors than pure graphite. <4> It gives covalent compounds with bromine with C ̶ Br bond.

Ex Output:
chemistry


Ex Input:
Question: A rat pathogen that has fleas as vectors of transmission to humans is: 
 Options:  <0> Rickettsia rickettsii. <1> Yersinia pestis <2> Borrelia burgdorferi. <3> Ehrlichia ewingii. <4> Brucella abortus.

Ex Output:
biology


Ex Input:
Question: Vasconstricts systemic arterioles: 
 Options:  <0> Low pO2. <1> Low pH. <2> Angiotensin II. <3> Acetylcholine <4> Nitric oxide.

Ex Output:

biology