TASK DEFINITION: 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.
PROBLEM: Question: The delirious atmosphere is defined as: 
 Options:  <0> The delirious interpretation of a normal perception. <1> A self-referential idea, of great importance for the patient. <2> Subjective experience that the world has changed in a subtle but sinister, disturbing and difficult or impossible to define way. <3> The delirious construction of a memory. <4> A rational and easily modifiable idea about an environmental issue.

SOLUTION: psychology

PROBLEM: Question: The number of Barr corpuscles of the cells of a man with karyotype 48, XXXY is: 
 Options:  <0> two. <1> one. <2> 0 <3> 3. <4> Four.

SOLUTION: biology

PROBLEM: Question: In the human ear: 
 Options:  <0> The stereocilia of the sensory cells are bathed in perilymph. <1> The abutment fits over the round window. <2> The sensory cells are on the Reissner membrane. <3> The synaptan receptor cells with fibers from the eighth cranial nerve. <4> The helicotrema communicates the middle and tympanic ramps.

SOLUTION:
biology