Anchor: Guard yourself, Dave Hanson!  So there was to be treachery, Hanson thought.
Entailed: Hanson was warned to guard himself and he realized there was going to be treachery. 
Contradiction: Hanson thought there was not going to be treachery because no one told him to guard himself.
Contradiction: Dogs are being walked in front of a building.
Contradiction: I work the main set in Dallas. 
Contradiction: Sulfur emissions from burning coal cannot be reduced by any known method.
Contradiction: There are installations of FGD that have occurred.