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: One of the characteristics of the primary delirium experience is:
Options: <0> Its greater modifiability, compared with the secondary one. <1> The primary obsessive concern of the patient to control reality. <2> That does not have its origin in a previous anomalous experience. <3> That is not maintained with intense conviction. <4> Which is plausible
Example Output: psychology

Example Input: Question: A 71-year-old man presented with severe pancytopenia without any immature cells and with a medullar study suggestive of severe aplastic anemia. What would be the fundamental therapeutic approach?
Options: <0> Treatment with methylprednisolone at a dose of 1 g / Kg / day for 5 days. <1> Study of siblings and if any is HLA compatible, allogeneic transplant of hemopoietic progenitors. <2> Immunosuppressive therapy with cyclosporine and antitimocitic immunoglobulin. <3> Hemotherapeutic support. <4> Chemotherapy and if autologous transplant response of hemopoietic progenitors.
Example Output: medicine

Example Input: Question: The main pharmacological treatment for obsessive-compulsive disorder or OCD is:
Options: <0> Dopamine agonists. <1> NMDA receptor blockers. <2> Inhibitors of monoamine oxidase or MAOIs. <3> Selective serotonin or 5-HT reuptake inhibitors. <4> Neuroleptics
Example Output:
psychology