Anchor: This is because upgrades to existing retrofits will generally consume fewer resources than full retrofits regardless of the technology.
Entailed: Upgrades to existing retrofits generally consume fewer resources.
Contradiction: Retrofits consume far more resources than full retrofits.
Contradiction: He never said a word.
Contradiction: The Chestnut and Rowe study is not the only study available. 
Contradiction: Three men looking into the water on a wooded lakeside.
Contradiction: The Program Letter is developed using help from individuals and organizations.