Answer:
Hallucination
It is a sound, image, or smell that seems legitimate but isn't really real.
There are a lot of causes why a person hallucinates, it maybe because of a drug or mental disorder.
Neither becuase, they're fighting over a banana and not an apple.
I mean mine are most likely wrong but like any particular question I can figure it out somehow lol
Hello there, fellow human being!
I suppose the answer is true.
Hope this helped!
~Ruru