Answer:
What is black when you buy it, red when you use it, and gray when you throw it away?
What goes through cities and fields but never moves?
When I am caught, I am thrown away. When I escape, you itch all day. What am I?
I get paid to shoot people then blow them up.
I take off my clothes when you put on your clothes. I put on my clothes when you take off your clothes. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.