Anchor: i'm sure you have a representative somewhere in the area just nothing more than a business representative or government services representative
Entailed: You certainly have a representative somewhere in the area. 
Contradiction: I'm positive you don't have any representatives in the area. 
Contradiction: I used to live in a very Gothic house.
Contradiction: The old man is peering into the store
Contradiction: Several children are raising their hands by the power of an alien craft influencing their minds.
Contradiction: What do you mean?