Anchor: A boy coming down the stairs and looking bashfully.
Entailed: A boy is on the stairs.
Contradiction: A man pilots a jet fighter.
Contradiction: Fieldwork and ethnography don't require an observer physically present.
Contradiction: It makes the biggest difference
Contradiction: The is no way to go from the old area of town to the new without leaving the city.
Contradiction: BMX Riders heading downhill