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 pentose phosphate pathway produces: 
 Options:  <0> NADH and acetyl-CoA. <1> NADPH and ribose-5-phosphate. <2> NADH and ribose-5-phosphate. <3> Urea. <4> Ribulose-1,5-bisphosphate.
Example Output: biology

Example Input: Question: What are, among others, the main biases associated with the observer in the framework of observation techniques ?: 
 Options:  <0> The duration of the experiment. <1> The excess of information. <2> The technical accuracy <3> The illusion of learning. <4> The expectation and mechanical errors of registration.
Example Output: psychology

Example Input: Question: Question linked to image No. 1 In the same patient, from the observation of the chest x-ray, it can be deduced: 
 Options:  <0> That the patient has pulmonary metastases. <1> Suspected nosocomial pneumonia. <2> A failure (dehiscence) of the colonic anastomosis should be considered. <3> Suspicion of PET <4> You have an infection of the surgical wound.
Example Output:
medicine