Anchor: I don't quite know, said Tuppence meditatively.
Entailed: I don't know, said Tuppence 
Contradiction: I know, said Tuppence 
Contradiction: My mother still lives in her own home because she's very fit and healthy.
Contradiction: An agreement was made with participants to ensure that the discussion would involve open dialogue.
Contradiction: Couple eating hamburgers.
Contradiction: People eating outdoors.