Answer:
They are two brothers. However much they run, they do not reach each other.
You fill it and it empties, A metaphor for plenty, Depending on what half you see, It's either full or empty
What 2 things can you never eat for breakfast?
Blue lives in the blue house, Mr. Pink lives in the pink house, and Mr. Brown lives in the brown house. Who lives in the white house?
Which popular cheese is made backwards?
what is a duck that is in Starbucks?