Polar Bear cub goes up to his mother and asked "Mama am I really a Polar Bear?"

Mama Bear says "Don't be silly, I'm a Polar Bear, your father is a Polar Bear, and all your grandparents are Polar Bears."

Not satisfied with the answer he goes to his father and asks "Papa am I really a Polar Bear?"

Papa Bear says "Don't be stupid of course you're a Polar Bear, I'm a Polar Bear, your Mama is a Polar Bear and all your Grandparents are Polar Bears. Why would you ask such a ridiculous question??"

"Because" Junior replies "I'm freezin my freakin ass off!"