What about super-human ability to come up with plausible and believable reasons why you really wanted to be at the cocktail party but had to cancel at the last minute? That's tech I'd invest in.
Output: My apologies. To best enjoy your cocktail party, I must not attend it.
It's called prolog.?- Are you still coming to the party?no.Bam!
?- Are you still coming to the party?no.Bam!