Anchor: The other electric utility projects that boilermakers work on include such projects as routine maintenance at operating plants and new plant construction, which account for approximately 13,500,000 man-hours of
Entailed: Boilermakers work on several important electric utility projects. 
Contradiction: Boilermakers only work on steel fabrications and have no other projects to work on. 
Contradiction: Four people waiting for a bus.
Contradiction: A woman is singing.
Contradiction: Three people survey the land.
Contradiction: The baby is dressed as Santa.