Anchor: Apparently, Ron Hoffman had signed a public anti-war letter.
Entailed: Ron Hoffman signed the letter that went to the newspaper.
Contradiction: Ron Hoffman would not sign the letter.
Contradiction: A ma throws a ball to his dog.
Contradiction: Is it really convenient to shop online when you have to wait for your purchase?
Contradiction: One kayak heading for another on a foggy riverbank.
Contradiction: People are at the beach.