Anchor: Jon stepped into the open and fired both guns into two separate riders.
Entailed: After walking out into the open, Jon aimed both his guns at the two riders and fired.
Contradiction: Jon did not have his weapons on him so he could not fire at the riders.
Contradiction: He told me to tell Poirot that he was still searching for the missing extra coffee cup. 
Contradiction: A man standing outside a building.
Contradiction: The man is taking leaves
Contradiction: It is not necessary to crush the other ones.