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: Atenolol is an antihypertensive β-antagonist that belongs to the structural family: 
 Options:  <0> Arylethanolamines <1> Quinazolines <2> β-Haloalkylamines. <3> Aryloxypropanolamines. <4> 2-Imidazolines.
Example Output: pharmacology

Example Input: Question: Indicate the correct answer regarding the pancreas: 
 Options:  <0> Your alpha cells secrete insulin. <1> Its F cells produce somatostatin, which accelerates the secretion of glucagon. <2> Your alpha cells secrete glucagon, which increases the concentration of blood glucose. <3> It is an exclusively endocrine gland. <4> Its delta cells secrete pancreatic polypeptide.
Example Output: nursery

Example Input: Question: Within which diagnosis, of the DSM-IV-TR, is premenstrual dysphoric disorder framed? 
 Options:  <0> As a mixed disorder of anxiety and depression. <1> As a depressive disorder not specified. <2> As a dysthymic disorder. <3> As a cyclothymic disorder. <4> Anxiety disorder not specified.
Example Output:
psychology