Q: I give you a group of three. One is sitting down, and will never get up. The second eats as much as is given to him, yet is always hungry. The third goes away and never returns. What is this group of three?
A: The answer is stove, fire and smoke.
Q: I turn my head, and you may go where you want. I turn it again, and you’ll stay till you rot. I have no face, but I live or die. By my crooked teeth,
Who am I?
A: The answer is KEY.