Good Riddles

Question: What did the dog tell his owner when the owner was going to buy a cat?

Question: What exponents other than the same two numbers with the numbers one thru ten can be flipped and have the same answer?

Question: John got trapped in a cage. His parent are going to be beheaded. And his girlfriend is next. Who will he save first?

Question: There was a green house.Inside the green house, there was a white house.Inside the white house, there was a red house. Inside the red house, there were black babies. What Am I?

Question: What's the longest word in the dictionary?