Premise: Two men , both wearing bright yellow vests and jeans , are working on a roof .
Correct statement: Chances are about even that construction workers using nail guns , nail down shingles .
Incorrect statement: It is highly unlikely that construction workers using nail guns , nail down shingles .
Correct statement: It is almost certain that the men are roofers .
Incorrect statement: It is highly unlikely that the men are roofers .
Correct statement: It is likely that two men are working in sunny weather .
Incorrect statement: There is almost no chance that two men are working in sunny weather .
Correct statement: It is highly likely that the two men are working on the roof of a house .
Incorrect statement: Chances are slight that the two men are working on the roof of a house .
Correct statement: There is almost no chance that two men are fixing their sisters roof
Incorrect statement: We believe that two men are fixing their sisters roof