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: If a patient presents a facial paralysis that does not affect the musculature of the forehead we should think that the lesion is: 
 Options:  <0> At the supranuclear level. <1> In the geniculate ganglion. <2> In the stylomastoid foramen. <3> In the pontocerebellar angle. <4> In the internal auditory canal.

Answer: medicine


Question: Question: Guillain-Barré syndrome is an acute inflammatory demyelinating disorder of the peripheral nervous system. The loss of muscular strength in the acute phase can imply an urgency, which in severe cases results in: 
 Options:  <0> Exclusive loss of muscle strength in the lower extremities. <1> Tetraplegia and respiratory failure that need to control the patient's circulatory status, endotracheal intubation and mechanical ventilation. <2> Psychomotor agitation that leads to sleep disorders. <3> Scarce affectation of costal and / or diaphragmatic muscles. <4> Alterations exclusively sensory.

Answer:
nursery