Anchor: Poirot seized his hat, gave a ferocious twist to his moustache, and, carefully brushing an imaginary speck of dust from his sleeve, motioned me to precede him down the stairs; there we joined the detectives and set out for Styles. 
Entailed: After he fussily made himself ready to go out, Poirot and I accompanied the detectives to Styles.
Contradiction: Poirot was so anxious to join the detectives that he left his hat and coat behind at the hotel.
Contradiction: At the Tour de France a cyclist whizzes down the mountain.
Contradiction: There is a vehicle outside.
Contradiction: The man ate some food from the garbage can.
Contradiction: someone who understands colors would know all that stuff.