Anchor: I could hear Poirot shouting and expounding. 
Entailed: Poirot decided to elaborate, and through his shouting, I could hear him.
Contradiction: Poirot spoke very calmly. 
Contradiction: People sitting around a fire.
Contradiction: Two sightseers are taking pictures of the scenery.
Contradiction: The three people were busy delivering a baby at the local hospital
Contradiction: A man is on a bench.