Anchor: If you like. 122 For a while they ran on under the trees in silence.
Entailed: If that is what you want. Thereafter they moved quietly through the forest.
Contradiction: They moved noisily beneath the trees.
Contradiction: A teenage runs around a skate park
Contradiction: We almost never eat at fast food restaurants because of the styrofoam and plastic waste. 
Contradiction: A kid is with his friends at the museum
Contradiction: A boy is making noise.