Answer:
In a tunnel of darkness lies a beast of iron. I can only attack when pulled back. What am I?
I am the key that is the hardest to turn
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
A man shaves several times a day, yet he still has a beard. Who is this man?
I was not born but I am here. I have no name but I am given many. I was made by science and life
I flow from the Homerβs mouth when he sees doughnuts.