Anchor: She concurred with Hungerford's observation that intervention effects seem to wear off after a period of time.
Entailed: Intervention seems to wear off according to Hungerford's observation.
Contradiction: Intervention never wears off.
Contradiction: A woman in a yellow dress is walking her dog past a blue house.
Contradiction: two guys and a cameraman are interacting
Contradiction: The spelunkers are riding mountain bikes.
Contradiction: The men are not standing