Anchor: A child is sitting down at a large piano.
Entailed: A child is sitting down at a large piano.
Contradiction: An old person is sitting at a small piano.
Contradiction: Wolfman is bald.
Contradiction: The palace was named for people who unloaded their cargo there.
Contradiction: People waiting for boats to go by so they can cross the street.
Contradiction: There is a firefighter.