Anchor: A woman wearing a brown skirt is walking over a bridge.
Entailed: A woman is walking over a bridge.
Contradiction: A woman is going swimming.
Contradiction: The old woman from Russia was outside the house on the porch.
Contradiction: She is outside.
Contradiction: The prices of airplane tickets are outrageous in that place.
Contradiction: Xerxes lost the Persian fleet ten years after his father's defeat at the Battle of Marathon.