Answer:
What two things can always see what the other sees, but can never see each other?
What has a mouth but can't chew?
In your fire you hear me scream, creaking and whining, yet I am dead before you lay me in your hearth.
Lighter than what I am made of, More of me is hidden Than is seen.
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
Why was the cook arrested?