Anchor: Do you mean that the murderer introduced the strychnine into her tonic? I cried. 
Entailed: I asked loudly whether the murderer had poisoned the tonic.
Contradiction: I did not ask whether the murder put anything into the tonic.
Contradiction: A woman is reading a book.
Contradiction: Participants discussed the lack of investor confidence
Contradiction: The fat man was looking at the back of his knees.
Contradiction: They don't know everything.