Answer:
What is as big as you are and yet does not weigh anything?
What can you hold in your right hand but never in your left hand?
What always comes into a house through the keyhole?
If you are running in a race and pass the second place person, what place are you in?
What is the only question you can't answer yes to?
It can be cracked, It can be made, It can be told, it can be played. What is it?