Anchor: What Tuppence had expected she hardly knew, but the sight of its red brick stolidity slightly assuaged the growing and entirely unreasonable uneasiness that possessed her.
Entailed: Tuppence did not know what to expect, but she definitely felt uneasy when she saw the red bricks.  
Contradiction: The sight of the red bricks did not make Tuppence feel anything. 
Contradiction: Poirot ate the sample of coco.
Contradiction: SAWS workers became subject to the presence requirement.
Contradiction: The men are sitting on the couch watching tv.
Contradiction: workers are pouring concrete.