Premise: A person skis down a snowy hill .
Correct statement: There is a very good chance that a man is riding down a hill on his skis .
Incorrect statement: It is improbable that a man is riding down a hill on his skis .
Correct statement: Chances are slight that a person skis poorly .
Incorrect statement: It is highly likely that a person skis poorly .
Correct statement: It is probably not the case that a girl is skiiing .
Incorrect statement: There is a very good chance that a girl is skiiing .
Correct statement: It is improbable that the woman is learning to ski .
Incorrect statement: It is almost certain that the woman is learning to ski .
Correct statement: There is almost no chance that a person is skiing down hill to meet up with his family .
Incorrect statement: It is likely that a person is skiing down hill to meet up with his family .