Answer:
What is it that has four legs, one head, and a foot?
At first, I am nothing. Add something to negate. Add again to oppose. Add again to find the time to draw. Add once more to find nobody at all.
What is long and slim, works in light. Has but one eye, and an awful bite?
What's a place you have left but didn't enter?
A slow, solemn square-dance of warriors feinting. One by one they fall, warriors fainting, thirty-two on sixty-four.
What do angels sing in the shower?