Anchor: One man has another man trapped in a straight armbar hold on a gym floor.
Entailed: Two men are inside.
Contradiction: Two men are playing guitar on stage.
Contradiction: There are no weapons, brass, and silverware on show in the museum.
Contradiction: A man and a woman sit at a table.
Contradiction: Four people are sitting in a cafe.
Contradiction: The baseball player is playing baseball.