Task: Question Answering
Input (English): Question: The delirious atmosphere is defined as: 
 Options:  <1> The delirious interpretation of a normal perception. <2> A self-referential idea, of great importance for the patient. <3> Subjective experience that the world has changed in a subtle but sinister, disturbing and difficult or impossible to define way. <4> The delirious construction of a memory. <5> A rational and easily modifiable idea about an environmental issue.
Output (English): 3