Premise: Two men cleaning snow from a roof , one 's in a lifter , while the other is actually on the roof .
Correct statement: It is impossible that there was a large crew to work on the task .
Incorrect statement: It is likely that there was a large crew to work on the task .
Correct statement: There is a better than even chance that the men are cold
Incorrect statement: There is little chance that the men are cold
Correct statement: There is a better than even chance that the men are being paid .
Incorrect statement: Chances are slight that the men are being paid .
Correct statement: It is highly unlikely that two brothers are working on a house .
Incorrect statement: There is a very good chance that two brothers are working on a house .
Correct statement: It is impossible that one of them is about to fall .
Incorrect statement: There is a very good chance that one of them is about to fall .