A man sitting in the grass as a ball flies by .
The frisbee hit the man on the head .
A man sitting in the grass as a ball flies by.
The frisbee hit the man on the head.
It is either a ball or a frisbee, and it either hit the man or it did not. It cannot be both at once.
It is either a ball or a frisbee , and it either hit the man or it did not . It can not be both at once .