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: Which glands are located between the skin and the masseter muscle, in front and under the outer ear? 
 Options:  <0> Parotid glands <1> Submandibular glands <2> Sublingual glands <3> Mouth glands <4> Lieberkühn's glands.
Example Output: pharmacology

Example Input: Question: In the valuation of a strong base with a strong acid the pH of the equivalence point: 
 Options:  <0> It depends on the strong base that is valued. <1> It is determined by the excess OH ̄ of the solution. <2> It depends on the strong acid used as a titrant. <3> It is determined by the dissociation of water. <4> It is determined by the excess H + of the solution.
Example Output: chemistry

Example Input: Question: The optical path partially decimates in: 
 Options:  <0> The optical band. <1> The geniculate body. <2> The optic chiasm <3> The retina. <4> The optical disc.
Example Output:
biology