Answer:
What has 3 feet but cannot walk?
I am black when I am clean and white when I am dirty?
A hill full, a hole full; yet you cannot catch a bowl full. What is it?
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
Slayer of regrets, old and new, sought by many, found by few.
What did the piece of wood say when he saw the screwdriver and screws approaching?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?