Anchor: Two men stand outside of a boat bridge door, one standing in the doorway, one propping on the railing, while another stands inside the bridge, visible through the window.
Entailed: People standing
Contradiction: Nobody is standing
Contradiction: The woman is asleep.
Contradiction: You have kept lunch waiting.
Contradiction: The gentleman farmer and his wife never come to market day.
Contradiction: Mark Twain and Frederick  Douglas exchanged letters.