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.
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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: Question linked to image no. 9 To rule out situations that may simulate the patient's manifestations and establish a differential diagnosis, we must continue with the interrogation. One of the following habits or antecedents would be difficult to relate to the facial alterations observed. Point out which one. 
 Options:  <0> Habit of stretching the hairs (trichotillomania). <1> A sexually transmitted disease <2> Contact with people or geographic areas with leprosy. <3> Drug intake. <4> History of hyperuricemia.

Answer: medicine


Question: Question: What is the maximum volume of air that a subject can breathe out after maximum inspiration ?: 
 Options:  <0> Total lung capacity. <1> Expiratory reserve volume. <2> Inspiratory capacity <3> Vital capacity <4> Residual volume

Answer:
pharmacology