Answer:
I come with a train and go with a train and the train doesn't need me but can't go without me.
What do you get when you cross a cow with a trampoline?
I am owned by the poor the rich does not need me. If you eat me you will die!
I spend most of my day eating white. When I am quick enough I get rewarded with fruit and something blue. In a dark room with blue walls I run from the ghosts that roam the halls
What goes up but never comes down?
Why was the cook arrested?