Answer:
It is everything to someone, and nothing to everyone else. What is it?
What is Bruce Lee’s favorite drink?
What did the tourist say to a vampire?
What did the piece of wood say when he saw the screwdriver and screws approaching?
What has many keys, but can't even open a single door?
When is it bad luck to see a black cat?
Funny
Animal
Difficult
Easy
Food
Kids
Logic
What am I?