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: For what purpose is the muscle tension technique applied in the treatment of blood phobia used ?: 
 Options:  <0> As a relaxation technique. <1> To divert the patient's attention from the feared stimulus. <2> To accelerate the habituation process. <3> To reduce vasovagal symptoms. <4> It is used in the first sessions to reduce anticipatory anxiety.
Example Output: psychology

Example Input: Question: C. N. has a significant overweight, can not resist and eats at any time. He tells the nurse that he can not control his actions and that he has very bad luck with the food problem. This lady presents an attributional style: 
 Options:  <0> Of helplessness. <1> Internal. <2> External. <3> Neurotic. <4> Assertive
Example Output: nursery

Example Input: Question: The main function of chemokines is: 
 Options:  <0> Regulate lymphocyte traffic. <1> Stimulate cell proliferation in response to chemical agents. <2> Amplify the production of antiviral cytokines. <3> Regulate the selection in the thymus. <4> Antagonize some cytokines.
Example Output:
biology