Conundrum

"I forgot to get something at the store, but I can't remember what it was that I forgot to get."

AI programming challenge - Creating a program that can realize that it forgot something without being able to remember what it was that it forgot.

"I just know I'm forgetting something..."

"I knew I was forgetting something."

"There was something I was supposed to remember to do today, but damn if I can remember what that was."

Oh well...It'll come to me later.