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.

Ex Input:
Question: A microelectrode is characterized by: 
 Options:  <0> Give answers in steady state. <1> Always need an inert electrolyte. <2> Always need a potentiostatic system. <3> Do not need a reference electrode. <4> Always need agitation.

Ex Output:
chemistry


Ex Input:
Question: The secretion of GH or growth hormone: 
 Options:  <0> It stops at 20 years old. <1> It last for ever. <2> During the day it is greater than at night. <3> It is stimulated by somatostatin. <4> It is stimulated by the substances.

Ex Output:
biology


Ex Input:
Question: In choosing the type of cardiac valvular prosthesis (biological or mechanical) to be implanted in a patient, various aspects and characteristics of the patient and the prosthesis must be considered. In view of the aforementioned, point out the INCORRECT statement: 
 Options:  <0> Permanent anticoagulation is necessary in mechanical prostheses. <1> In general, biological prostheses are indicated in young patients, with long life expectancy. <2> Biological prostheses would be indicated in cases that present a formal contraindication for anticoagulation. <3> The rate of structural deterioration of a biological prosthesis is inversely proportional to the age of the subject. <4> Biological prostheses do not require permanent anticoagulation.

Ex Output:

medicine