Anchor: No, I can't say that I have. I was becoming quite excited, but Poirot damped my ardour by remarking: "Yet the explanation is quite simple. 
Entailed: My enthusiasm was weakened by Poirot's remark that "the explanation is quite simple."
Contradiction: I most definitely can say that I have.
Contradiction: Two serving people are very silent.
Contradiction: Where am I going off to?
Contradiction: There was nothing interesting about the event. 
Contradiction: The Lake District has barns that have been converted to studios.