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: Beta-adrenergic receptor blocking drugs:
Options: <0> They cause hypotension in individuals with normal blood pressure. <1> They increase the atrio-ventricular conduction velocity. <2> They cause negative inotropism. <3> They provoke a positive chronotropic effect. <4> They increase the secretion of renin.
Example Output: pharmacology

Example Input: Question: Within the direct care functions developed by the Primary Care Teams is NOT:
Options: <0> Promotion of healthy lifestyles. <1> Secondary prevention of more prevalent problems in the community. <2> Preparation and implementation of health education projects in school environments. <3> Undergraduate and postgraduate training of health personnel. <4> Rehabilitation.
Example Output: nursery

Example Input: Question: HLA class I molecules are expressed in:
Options: <0> Leukocytes <1> Erythrocytes <2> All nucleated cells. <3> Antigen presenting cells. <4> NK lymphocytes.
Example Output:
biology