Premise: A man in a blue jersey and orange visor threw a frisbee along a grass hill .
Correct statement: Chances are about even that the man is playing with a dog .
Incorrect statement: It is highly unlikely that the man is playing with a dog .
Correct statement: Chances are about even that a man throws a frisbee for his dog
Incorrect statement: There is almost no chance that a man throws a frisbee for his dog
Correct statement: It is impossible that the man is playing frisbee by himself because he is bored .
Incorrect statement: There is a very good chance that the man is playing frisbee by himself because he is bored .
Correct statement: Chances are about even that a man is throwing a frisbee at a dog park .
Incorrect statement: It is certain that a man is throwing a frisbee at a dog park .
Correct statement: Chances are about even that a man in a blue jersey and orange visor plays fetch with his dog .
Incorrect statement: It is certain that a man in a blue jersey and orange visor plays fetch with his dog .