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: In phase II of the diet due to acute gastroenteritis, what food should be avoided ?:
Options: <0> Potato. <1> Toasted bread. <2> Grape. <3> Quince. <4> Semolina.
Example Output: nursery

Example Input: Question: The reactions in which the kinetics does not depend on the nucleophilic concentration, are reactions:
Options: <0> Radicals <1> SN1. <2> Pericyclic. <3> SN2. <4> None of the above.
Example Output: chemistry

Example Input: Question: They are primary lymphoid organs:
Options: <0> Spleen and lymph nodes <1> The spleen and bone marrow. <2> The thymus and the bone marrow. <3> The pineal gland <4> Peyer's plates and tonsils.
Example Output:
biology