Premise: A young boy is looking at a checkers board with one fist leaning against his head as a partially visible adult sits across the table from him , in a room full of people sitting in chairs around tables .
Correct statement: It is certain that people are playing checkers .
Incorrect statement: We doubt that people are playing checkers .
Correct statement: It is probably not the case that a boy is in a checkers competition .
Incorrect statement: It is highly likely that a boy is in a checkers competition .
Correct statement: It is improbable that a boy and his mother play checkers .
Incorrect statement: It is probably the case that a boy and his mother play checkers .
Correct statement: It is unlikely that there is a checkers tournament going on
Incorrect statement: There is a very good chance that there is a checkers tournament going on
Correct statement: We believe that a group watching a checkers match .
Incorrect statement: It is probably not the case that a group watching a checkers match .