Premise: Messieurs, mesdames, said Poirot, with a flourish, "let me introduce you to the murderer, Mr. Alfred Inglethorp!" 164 Chapter 13 POIROT EXPLAINS "Poirot, you old villain," I said, "I've half a mind to strangle you!

Hypothesis: Mr. Inglethorp introduces Poirot as the murderer to the audience, and Poirot responds with harsh skepticism.
Relation: contradiction