Anchor: I need hardly ask what you are doing here, gentlemen, remarked Poirot. 
Entailed: You and I both know why we're all here, said Poirot. 
Contradiction: You need to explain to me what exactly you're doing here, said Poirot.
Contradiction: Do not include any context for the results of the audit.
Contradiction: a woman in red makes a sour face
Contradiction: James the Bearded lived in the sixteenth century.
Contradiction: The train looked old.