Premise: Two men playing hockey on the ice .
Correct statement: It is impossible that there are people on a frozen pond .
Incorrect statement: It is probably the case that there are people on a frozen pond .
Correct statement: It is impossible that two men are skating on a frozen pond .
Incorrect statement: It is probable that two men are skating on a frozen pond .
Correct statement: It is highly likely that a man is shooting a hockey puck .
Incorrect statement: Chances are slight that a man is shooting a hockey puck .
Correct statement: There is a very good chance that they have two nets set up
Incorrect statement: It is probably not the case that they have two nets set up
Correct statement: It is impossible that the men are old
Incorrect statement: We believe that the men are old