Answer:
When it comes to me you go on red and stop on green.
The last woman on Earth received a phone call. Who was the caller?
What five-letter word has six left when two letters are removed?
I go into the water black and come out red. What am I?
Fatherless and motherless. I was born without sin. Roared when I came into the world, but I never spoke again. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.