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: The fear or belief of suffering an important disease, which arises in the subject from the erroneous interpretation of their bodily symptoms, is the nuclear characteristic of:
Options: <0> The conversion disorder. <1> Hypochondria. <2> Panic disorder <3> The Depression <4> Somatization
Example Output: psychology

Example Input: Question: How is the correction of an erroneous amino acid incorporated in the process of translation in the ribosome carried out?
Options: <0> There is no possibility of elimination of an amino acid in the synthesis of proteins. <1> Through the aminoacyl peptidase activity of the ribosome. <2> A dipeptidase removes the wrong amino acid, before proceeding with the synthesis. <3> Thanks to the fact that amino acids are energy-rich molecules. <4> There is a post-translational sequence review system.
Example Output: pharmacology

Example Input: Question: The control of the acid-peptic disease is mainly achieved with PPIs (proton pump inhibitors). The PPIs:
Options: <0> They induce the maximum inhibition of gastric secretion after 3-5 days. <1> They are less effective than H-2 antagonists. <2> They are used as monotherapy to eradicate Helicobacter pylori. <3> They have a faster onset of action than H-2 antagonists. <4> They are not useful in the treatment of stress ulcers.
Example Output:
pharmacology