Anchor: Several people are talking in an alleyway.
Entailed: several people are having a conversation in the alley
Contradiction: a group of people are sleeping on the porch
Contradiction: A yachting team sails through the harbor
Contradiction: That engine is a real gas-guzzler.
Contradiction: A band is loading its gear into a truck.
Contradiction: I attempt to go early or late before they are there.