Anchor: The door swung open a crack, a mere fraction, but enough for Tommy to hear what went on.
Entailed: Tommy was able to hear what went on after the door was cracked open.
Contradiction: Tommy wasn't able to hear anything because the door was shut.
Contradiction: the cats are eating a mouse
Contradiction: Information technology can be used to increase customer satisfaction.
Contradiction: Neither child has ice cream on their face.
Contradiction: Villagers are holding a large net.