Anchor: Three men in a field with model airplanes.
Entailed: The men are outdoors.
Contradiction: The men are in the gym with model airplanes.
Contradiction: Two men are sitting on a bench in the park.
Contradiction: You'd be surprised how many people are coming in and offering us demos. 
Contradiction: Two people are sleeping in the camper.
Contradiction: Slavery was rampant on plantations despite it being outlawed in 1807 by Parliament.