Answer:
Not my sister nor my brother but still the child of my mother and father. Who am I?
What cannot talk but will always reply when spoken to?
Man's most important invention.
They can be long or short; they can be grown or bought; they can be painted or left bare; they can be round or square.
What has one hand longer than the other, and goes on all day and night?
How did the farmer find his wife?