Premise: Two young girls lay , face down , on grass and face the camera as they listen to an iPod near a folding chair and several purses .
Correct statement: It is likely that the girls are smiling .
Incorrect statement: It is impossible that the girls are smiling .
Correct statement: We believe that some girls are sun tanning .
Incorrect statement: We doubt that some girls are sun tanning .
Correct statement: Chances are about even that the girls are wearing shoes .
Incorrect statement: It is impossible that the girls are wearing shoes .
Correct statement: It is impossible that two young girls listening to Bach .
Incorrect statement: We believe that two young girls listening to Bach .
Correct statement: There is a very good chance that two girls have a picnic together .
Incorrect statement: It is unlikely that two girls have a picnic together .