Premise: Workers walk along railroad tracks entering a tunnel .
Correct statement: We doubt that the workers are working overtime today .
Incorrect statement: It is probably the case that the workers are working overtime today .
Correct statement: There is a better than even chance that railroad workers are inspecting tracks in a tunnel .
Incorrect statement: Chances are slight that railroad workers are inspecting tracks in a tunnel .
Correct statement: Chances are slight that workers happily walk along railroad tracks .
Incorrect statement: It is almost certain that workers happily walk along railroad tracks .
Correct statement: There is a better than even chance that workers are fixing train tracks
Incorrect statement: There is almost no chance that workers are fixing train tracks
Correct statement: We doubt that workers are on their way to lunch .
Incorrect statement: It is likely that workers are on their way to lunch .