A man in a blue jersey and orange visor threw a frisbee along a grass hill .
There is a very good chance that the man is playing frisbee by himself because he is bored .
It is impossible that the man is playing frisbee by himself because he is bored .
There is a very good chance that the man is playing frisbee by himself because he is bored .
The man is playing frisbee by himself because he is bored .