Answer:
What did the depressed math book say to the calculator, notebook, and dictionary?
Boxes marked as this should not be abused.
What goes up, but never comes down?
Which tree is the most difficult to get along with?
If I say "everything I tell you is a lie", am I telling you the truth or a lie?
What language does a billboard speak?
Funny
Animal
Difficult
Easy
Food
Kids
Logic
What am I?