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: 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.

Ex Output:
psychology


Ex Input:
Question: Regarding benign prostatic hypertrophy, it is NOT true that: 
 Options:  <0> Abdominal ultrasound is a non-invasive method to assess prostate size and post-voiding residual. <1> It can cause increases in PSA levels. <2> Rectal examination is a method to estimate prostate size. <3> Treatment with 5-alpha reductase inhibitors decreases symptoms. <4> It is a precancerous lesion.

Ex Output:
medicine


Ex Input:
Question: The characteristic of delusions that refers to the maintenance of delirium over time, despite the evidence against is: 
 Options:  <0> The intensity or conviction. <1> The unmodifiable, incorrigibility or fixity. <2> Presence of cultural supports. <3> Concern. <4> Communication deviation.

Ex Output:

psychology