Anchor: Mrs. Inglethorp reads it, and becomes aware of the perfidy of her husband and Evelyn Howard, though, unfortunately, the sentence about the bromides conveys no warning to her mind. 
Entailed: The sentence about bromides does not show that she knew.
Contradiction: The sentence about bromides shows that Evelyn Howard knew Mrs. Inglethorp.
Contradiction: A woman is running away from an angry duck.
Contradiction: The woman is outside.
Contradiction: A woman is sad and depressed.
Contradiction: Two men are sparring.