Answer:
What is as big as you are and yet does not weigh anything?
How many bananas can you eat if your stomach is empty?
The answer I give is yes, but what I mean is no. What was the question?
When does 4 - 1 = 5 ?
Three doctors said that Bill was their brother. Bill said he had no brothers. Who was lying?
As round as an apple. As deep as a cup. All the king's horses can't pull it up.