Answer:
When it comes to me you go on red and stop on green.
Although it sounds like I work on a transportation device I actually work in a restaurant.
I saw the dead bring forth the living. I saw the living bring forth the dead. What did I see?
What kind of band never plays music?
I'm at the head of an elephant and at the tail of a squirrel
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.