Anchor: This is the approach that was taken on the retrofit of PSNH Merrimack Unit 2, the first retrofit of a coal-fired boiler in the United States.
Entailed: The PSNH Merrimack Unit 2 was the first coal-fired boiler retrofit in the U.S.
Contradiction: The PSNH Merrimack Unit 2 was never introduced to the United States.
Contradiction: He seemed like a lunatic. 
Contradiction: Some girls are in some water.
Contradiction: He worked on a roof, replacing tile.
Contradiction: There are some people who will translate the documents without being paid.