Anchor: A man stands next to a pillar near water.
Entailed: The pillar is near the water.
Contradiction: The pillar is made of water.
Contradiction: This is the wrong book, there is no computer technology discussed here.
Contradiction: I don't want you in the field while the crises is ongoing. 
Contradiction: Consumption of AC is based on peer-reviewed IRS research.
Contradiction: The football player is wearing most of his equipment.