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.

Input: Consider Input: Question: The main vessels that regulate blood flow are: 
 Options:  <0> Arteries <1> Arterioles <2> Capillaries <3> Venules <4> Veins.

Output: biology


Input: Consider Input: Question: Hyponatremia is part of the clinical picture of: 
 Options:  <0> Addison's disease <1> Central diabetes insipidus. <2> Nephrogenic insipid diabetes. <3> Mellitus diabetes. <4> Febrile states.

Output: pharmacology


Input: Consider Input: Question: In which of the following positions should a patient be placed to perform a gastroscopy? 
 Options:  <0> Right lateral decubitus. <1> Left lateral decubitus. <2> Supine decubitus <3> Trendelemburg. <4> Sims position.


Output: nursery