Anchor: The number of boilermakers in demand for retrofit installations under the Clear Skies Act is spread fairly evenly out to 2010 when the demand begins to decrease.
Entailed: Boilermakers who retrofit installations are predicted to be in demand until 2010. 
Contradiction: The demand for boilermakers will increase 3 times by 2010. 
Contradiction: They are totally different from cats.
Contradiction: Three people are on a hill.
Contradiction: A runner is not gesturing
Contradiction: There is a fishing port to the north.