Answer:
What is it that given one, you'll have either two or none?
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
Who plays when he works and works when he plays?
You have it even if there is none.
Come up and we go, Go down and we stay.
How did the farmer find his wife?
Easy
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?