Answer:
Tuesday, Sam and Peter went to a restaurant. After eating lunch, they paid the bill. Sam and Peter did not pay. Who did?
What can you catch but never throw?
I am a sharp looking horse with a flaxen tail. The longer I run the shorter my tail becomes.
So simple, that I can only point. Yet I guide men all over the world.
What's full of holes but still holds water?
What made Cyclops quit teaching?