Premise: A young boy in a yellow shirt is jumping in a grassy area with a younger boy , in a white shirt , standing behind him .
Correct statement: It is likely that the two young boys playing in the grassy area are brothers .
Incorrect statement: It is probably not the case that the two young boys playing in the grassy area are brothers .
Correct statement: It is probably the case that a young boy and his brother are playing in the grass .
Incorrect statement: It is improbable that a young boy and his brother are playing in the grass .
Correct statement: Chances are slight that the boys are playing leap frog .
Incorrect statement: We believe that the boys are playing leap frog .
Correct statement: It is almost certain that two boys are playing .
Incorrect statement: Chances are slight that two boys are playing .
Correct statement: It is certain that two boys outdoors
Incorrect statement: It is probably not the case that two boys outdoors