Anchor: Two pairs of legs walk past the end of an alley between two brick buildings.
Entailed: Something is walking outside.
Contradiction: Two pairs of wigs are flying.
Contradiction: Miss Howard left without anyone saying goodbye to her.  
Contradiction: A women is in an open air market.
Contradiction: In the Zapruder film is revealed that he was a chef.
Contradiction: There were so many forecasts for the defecit not long ago