Anchor: They rode through the merchants quarter on black stallions, northern horses.
Entailed: The black stallions they were riding took them through the merchants quarter. 
Contradiction: They were riding white stallions as they traveled through the merchant's quarter. 
Contradiction: A woman holds a towel against her bleeding knee and is being consoled by a male friend wearing a red shirt.
Contradiction: The dog is in the park
Contradiction: His feet were completely flat and stable on the ground.
Contradiction: A motorcyclist is jumping.