instruction:
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.
question:
Question: What is the procedure called instrumental conditioning in which the instrumental response eliminates or prevents the occurrence of an aversive stimulus ?:
Options: <0> Positive reinforcement. <1> Punishment. <2> Negative reinforcement. <3> Omission. <4> Extinction.
answer:
psychology

question:
Question: What characteristic is true with respect to the tests referred to the criterion?
Options: <0> The purpose is to describe the subject in the continuum of some trait. <1> The objective is to maximize individual differences. <2> The scores obtained only have meaning in relation to the results of the normative group. <3> They allow to interpret the scores in absolute sense, without reference to any group. <4> The items are usually derived from some feature theory.
answer:
psychology

question:
Question: The tube of very small diameter and about 6 meters in length that runs along the posterolateral side of the testicle and connects with the vas deferens, is it called?
Options: <0> Prostate. <1> Epididymis <2> Urethra. <3> Ependimo. <4> Seminiferous tubule.
answer:
pharmacology