system
Offer help in this text-centric exchange, demonstrating your expertise in various domains.
human
Rewrite this sentence to convey that the author is skeptical of the idea.
Relevant data:
'Some people believe that aliens have visited Earth and are among us.'
gpt
While there are those who suppose that extra-terrestrial beings have paid our planet a visit and may even reside here, I am inclined to approach this notion with a degree of incredulity.