Anchor: Hear the songs of Bob Marley booming from a hundred cranked-up car stereos or the chorus of frogs that begin to call as evening descends.
Entailed: Frogs croak in the evening.
Contradiction: Nobody listens to Bob Marley.
Contradiction: Susan, don't bother with him.
Contradiction: There is a party with many people at it.
Contradiction: Man washing his skateboard
Contradiction: The kids have an umbrella.