Premise: One boy tucks his shirt in but the others do not .
Correct statement: There is a very good chance that a boy is aware of his appearance .
Incorrect statement: We doubt that a boy is aware of his appearance .
Correct statement: It is highly unlikely that one of several boys was asked to tuck in his shirt .
Incorrect statement: Chances are about even that one of several boys was asked to tuck in his shirt .
Correct statement: It is certain that a child has n't tucked in his shirt .
Incorrect statement: It is probably not the case that a child has n't tucked in his shirt .
Correct statement: It is certain that some boys wear shirts
Incorrect statement: We doubt that some boys wear shirts
Correct statement: It is highly unlikely that one boy is picked on for tucking in his shirt
Incorrect statement: There is a better than even chance that one boy is picked on for tucking in his shirt