Anchor: Not unless our friend Japp has taken leave of his senses, replied Poirot placidly. 
Entailed: She asked calmly if our friend Japp had lost his senses.
Contradiction: She was very agitated when she asked about Japp.
Contradiction: Three people are outside playing sports.
Contradiction: I shut the door of the carriage. 
Contradiction: Boys running wild.
Contradiction: Two men outside, carrying guitars.