Anchor: You can't be turned to stone looking at one, you know--only by having one look at you."  "You're cheering me up no end," he assured her.
Entailed: You can't be turned to stone unless they look at you.
Contradiction: You can be turned to stone just looked at one.
Contradiction: Young person pitching a tent at the campsite.
Contradiction: They spoke a few minutes and move in the direction of the central street in town. 
Contradiction: Simon just went home.
Contradiction: Storage tanks under the ground.