Anchor: A group of guys working on a small blue open-topped racing vehicle.
Entailed: there is a group of people working on a ble vehicle.
Contradiction: one person is working on her yellow VW Beetle
Contradiction: Dave could not realize that he was in a corridor.
Contradiction: The girls are playing volleyball.
Contradiction: A cat nursing kittens.
Contradiction: I think they wanted to catch him doing something.