Premise: Three people on a porch , of which is a little boy who is sitting up straight in his chair .
Correct statement: We believe that there are several chairs on the porch .
Incorrect statement: Chances are slight that there are several chairs on the porch .
Correct statement: It is highly unlikely that a little boy straightens to listen to the stories of his grandparents .
Incorrect statement: We believe that a little boy straightens to listen to the stories of his grandparents .
Correct statement: There is a very good chance that two people are the boy 's parents enjoying the porch .
Incorrect statement: We doubt that two people are the boy 's parents enjoying the porch .
Correct statement: Chances are about even that people outside having a party .
Incorrect statement: It is almost certain that people outside having a party .
Correct statement: There is a very good chance that a boy sits with his parents on the porch .
Incorrect statement: We doubt that a boy sits with his parents on the porch .