Anchor: They do say, " he lowered his voice cautiously, "that it's poison?" Poirot's face remained quite impassive. 
Entailed: He worried there was poison.
Contradiction: He worried there was no poison to give his enemies.
Contradiction: The crowd did not like the band at all.
Contradiction: The crowd cheers for the hockey player.
Contradiction: A person reads a book.
Contradiction: A man in jeans practicing his gold swing.