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: A 26-year-old woman with no previous psychiatric history, she went to the ER brought by her parents, who explained that she had been overactive, nervous, insomniac for a few days. They explain that he obsessively reviews the house's electrical installation in search of video cameras and microphones. In the interview, she tells us that she is being watched by the Police because she is a galactic correspondent with special powers. Which of the following options should NOT be considered as a differential diagnosis? 
 Options:  <0> Obsessive compulsive disorder <1> Schizophrenia. <2> Manic episode. <3> Psychosis due to the consumption of toxic substances. <4> Brain tumor.
Example Output: medicine

Example 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.
Example Output: chemistry

Example Input: Question: What serum immunoglobulin will synthesize an activated B lymphocyte that has not been stimulated through CD40 ?: 
 Options:  <0> Any. <1> IgE <2> IgM <3> IgA <4> IgG
Example Output:
biology