Anchor: A plain, dirty looking old envelope with a few words scrawled across it, apparently at random. 
Entailed: A simple old envelope only had several words written on it, seemingly at random.
Contradiction: There was nothing to see on the brand new envelope.
Contradiction: The classroom is empty.
Contradiction: People sit in a circle outside.
Contradiction: The man are wearing baseball caps.
Contradiction: A man is near a wall.