Answer:
Take one out and scratch my head I am now black but once was red.
If eleven plus two equals one, what is nine plus five equal to?
What contains zero calories, but if you consume it, you will probably gain weight?
Be sure to shout for its answers are weak, but there is no language it cannot speak.
Take off my skin, I won't cry, but you will.
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?