Answer:
What goes up a chimney down but can't go down a chimney up?
I go up but never come down. What am I?
There's a one-story house in which everything is green. Green walls green windows green doors. What color are the stairs?
I ask no questions, but receive a lot of answers. What am I?
I can run but not walk. Wherever I go, thought follows close behind. What am I?
I am your mother's brother's only brother in law. Who am I?