Answer:
What is the end of everything?
What is the middle of water but is not an island?
What has holes on each side, but can still can hold water?
Not my sister nor my brother but still the child of my mother and father. Who am I?
Humans have two that shrink in the light and expand in the dark
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?