Answer:
I run cold and hot, I look blue but am red. What am I?
What can you keep after giving it to someone?
A tower at the root of all confusion.
We are two brothers on opposite sides of the road, but we never see each other. Who are we?
You're currently trying to solve one
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?