Anchor: Them's the green stones, isn't they?" Tuppence nodded.
Entailed: Those are the green stones, right?
Contradiction: Those stones are the blue ones, right?
Contradiction: I expected my body to do all these things.
Contradiction: Bob Woodward is not telling Ben Bradlee.
Contradiction: Adults kayak down a turbulent river.
Contradiction: A man teaches his students martial arts.