Anchor: Tuppence could think of nothing to say.
Entailed: Tuppence was unable to work out what she should say.
Contradiction: Tuppence was able to think of several things that she could say.
Contradiction: Everyone loved Helen Hunt's performance! 
Contradiction: Being part of the conversation is part of the culture.
Contradiction: The grounds are open in December around 7:00 PM.
Contradiction: The boy has his hands on the t-bar.