Text: Then, when I discovered that Inglethorp had nothing to do with Mrs. Raikes and that in fact it was John Cavendish who was interested in that quarter, I was quite sure."
Entailment: "I was convinced once I knew that John Cavendish was interested in Mrs. Raikes."
Contradiction: "I'm stuck at square one, pondering Inglethorp's relationship with Mrs. Raikes."