Anchor: A group of workers building something.
Entailed: Something is being built by a group of people.
Contradiction: Some construction workers are tearing down a building.
Contradiction: The OMB and GAO does not work together on any projects.  
Contradiction: There is a man by himself.
Contradiction: "That's not fair, and I deserve more," Anse countered.
Contradiction: Yeah, you don't really think about it.