The thing about cheese is that no extraterrestrials have ever consumed it.

I don't believe in extraterrestrials.

Have you been able to get in touch with the extraterrestrials yet?

Do extraterrestrials exist in the universe? I think so.

Do you believe in extraterrestrials?

In Tom's new novel, extraterrestrials pursue the ambitious goal of presenting all the life forms in the galaxy in a single vast menagerie. Individual humans are also carried off for this purpose and -- due to the enormous diversity of species -- thrown together with the apes of the planet Earth, without distinction. John found that highly offensive.

Some speculate that unknown and mysterious forces account for the unexplained disappearances within the Bermuda Triangle, such as extraterrestrials capturing humans for study; the influence of the lost continent of Atlantis; vortices that suck objects into other dimensions; and other whimsical ideas.

I was abducted by extraterrestrials.

I have proof that all this is a conspiracy of our government with extraterrestrials.

Extraterrestrials would probably prefer the company of autists rather than illogical and emotional non-autists.