Anchor: A woman sitting in a chair on the sidewalk stretching her arms out.
Entailed: A woman sitting in a chair.
Contradiction: A woman sitting in a chair leans forward to pick up a dime.
Contradiction: The class is currently learning World History.
Contradiction:  Two children paddle down a river.
Contradiction: The woman is sitting down on a bench.
Contradiction: The busboy cleans the floor.