Anchor: The pedestrian sign has a bolt through it on the top and bottom.
Entailed: The sign has bolts through it in different places.
Contradiction: The sign does not have bolts through it.
Contradiction: The sign is made of hot dogs
Contradiction: the pedestrian sign is being held by 4 screws.
Contradiction: The speeding bus just wrecked a road sign, and the drive appears to be inebriated.
Contradiction: The sign has a bolt through the top only.