Anchor: advertising mail sent by non-households to other households) is not known and, thus, it has not been added to advertising mail.
Entailed: The advertising mail is unknown and has not been added to the rest of the advertising mail.
Contradiction: The advertising mail has all been added to advertising mail.
Contradiction: A boy is playing in the mud.
Contradiction: Drew's horse snorted and took a few steps to the right.
Contradiction: A cat does circus tricks at the fair.
Contradiction: A man carries his water pipe.