Answer:
Pregnant every time you see her, yet she never will give birth.
I can be written, I can be spoken, I can be exposed, I can be broken.
I run around the city, but I never move.
What can you throw but not catch?
A little pool with two layers of wall around it. One white and soft and the other dark and hard. Amidst a light brown grassy lawn with an outline of a green grass.
I am your mother's brother's only brother in law. Who am I?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?