Premise: Three guys sitting on rocks looking at the scenery .
Correct statement: Chances are about even that three guys are sitting on rocks on the mountaintop admiring the scenery .
Incorrect statement: It is certain that three guys are sitting on rocks on the mountaintop admiring the scenery .
Correct statement: It is certain that there are people outside
Incorrect statement: Chances are about even that there are people outside
Correct statement: Chances are slight that men sitting , reflecting on their lives
Incorrect statement: It is likely that men sitting , reflecting on their lives
Correct statement: Chances are slight that three guys are looking out over the river and the trees .
Incorrect statement: We believe that three guys are looking out over the river and the trees .
Correct statement: It is certain that the people are outside .
Incorrect statement: It is impossible that the people are outside .