A: One goes choo-choo the other goes chew-chew.
You can tuna piano but you can't piano a tuna! Don't ask me about the bucket of glue though... I've been stuck there for a while
Mountin' time
Enlightenmint! More Gum Jokes!
A school teacher tells you to spit out your gum, a train says choo choo.
Because cars get tyred but trains do not, with the exception of Rubber-tyred metro systems.
Arizona