Anchor: I don't know, said Tuppence forlornly.
Entailed: Tuppence said that he did not know.
Contradiction: Tuppence said that he did know. 
Contradiction: The national debt interest rate fluctuates. changing frequently. 
Contradiction: I believed that I would need to look more closely at the subject.
Contradiction: New criteria creates peace.
Contradiction: Two babies are in a bath.