Answer:
What is it that given one, you'll have either two or none?
What never asks questions but receives a lot of answers?
Not my sister nor my brother but still the child of my mother and father. Who am I?
This is a dead giveaway
What gets colder as it warms up?
How did the farmer find his wife?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?