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 the presence of a patient with suspected blistering pemphigoid, which of the following tests should we perform to confirm the diagnosis? 
 Options:  <0> Dermatoscopy. <1> Cultivation of the contents of a blister. <2> Skin biopsy for culture. <3> Skin biopsy for histological study and direct immunofluorescence. <4> Analytical with determination of antinuclear and anti DNA antibodies.

Output: medicine


Input: Consider Input: Question: The oxygen of the ethers as that of the alcohols can be protonated to generate: 
 Options:  <0> Iminium ion. <1> Alkaloxonium ions. <2> Peroxides <3> Piranos. <4> Enaminas

Output: chemistry


Input: Consider Input: Question: Retentive encopresis is characterized by: 
 Options:  <0> Absence of constipation <1> Being significantly more frequent than non-retentive encopresis. <2> Decreased rectal accommodation. <3> Being associated with alterations in the perception of rectal distension. <4> Decrease in the contractile capacity of the external anal sphincter.


Output: psychology