Answer:
What is red, orange, yellow, green, blue, indigo, violet, red, orange, yellow, green, blue, indigo, violet, red, orange, yellow, green, blue, indigo, violet?
When does an Irish potato change its nationality?
What can go up a chimney down, but cannot go down a chimney up?
What do cigarettes and squirrels have in common?
What has 2 banks but no money?
When is it bad luck to see a black cat?