Premise: A man with helmet and backpack standing on dirt bike in a hilly grassy area .
Correct statement: There is almost no chance that the man just bought a dirt bike .
Incorrect statement: It is likely that the man just bought a dirt bike .
Correct statement: It is impossible that the man is taking a break from the race
Incorrect statement: There is a better than even chance that the man is taking a break from the race
Correct statement: It is impossible that he is on his dirt bike and forgot to wear his helmet .
Incorrect statement: Chances are about even that he is on his dirt bike and forgot to wear his helmet .
Correct statement: There is a better than even chance that a man is about to go on a long bike ride .
Incorrect statement: There is almost no chance that a man is about to go on a long bike ride .
Correct statement: It is impossible that a man rides a dirt bike down a slope .
Incorrect statement: It is certain that a man rides a dirt bike down a slope .