Premise: A little boy wearing swim trunks plays in the ocean .
Correct statement: There is a better than even chance that a boy in swim trunks plays in the ocean while his sister tries to surf .
Incorrect statement: Chances are slight that a boy in swim trunks plays in the ocean while his sister tries to surf .
Correct statement: There is a very good chance that a boy playing in the ocean on vacation
Incorrect statement: We doubt that a boy playing in the ocean on vacation
Correct statement: It is impossible that a boy sees a shark
Incorrect statement: It is probably the case that a boy sees a shark
Correct statement: There is a better than even chance that a boy wearing black swimming trunks plays in the ocean .
Incorrect statement: Chances are slight that a boy wearing black swimming trunks plays in the ocean .
Correct statement: It is impossible that a little boy has white swim trunks .
Incorrect statement: We believe that a little boy has white swim trunks .