Anchor: You work at Tadminster, don't you, Miss Murdoch? She nodded. 
Entailed: Miss Murdoch worked at Tadminster.
Contradiction: You don't work at Tadminster. She nodded.
Contradiction: The Times rejected the bank-merger story as it was by and large a graphic story with no content.
Contradiction: A dog is in motion.
Contradiction: Two children are sliding down a slide.
Contradiction: A dog leaps to grab a frisbee