Answer:
What kind of table has no legs?
The man who made it didn't need it. The man who bought it didn't use it. The man who used it didn't want it.
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.
Two brothers we are, great burdens we bear. All day we are bitterly pressed. Yet this I will say, we are full all the day, and empty when go to rest.
What is lighter than what it is made of?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?