Write a short story of 1,000 - 10,000 words based on the following:
They're not mutually exclusive. It's like how all blood tastes salty, but not all salt tastes like blood.
By the way - re: the word minimum thing - under 1,000 would technically be flash fiction, so... that's why. =P I think upward of 10k is a novella (if, um, anyone's having that problem. XD). Not sure on that one, but 1-10k is standard length.
Best of luck,