Anchor: He must be delirious and imagining the room.
Entailed: He might have been just imagining the room.
Contradiction: He would never make up a story like that.
Contradiction: Despite what people might think, I was absolutely running a laboratory. 
Contradiction: The proportion of billable hours decreased in the past two years.
Contradiction: A  crowd of people is looking at a board on the wall.
Contradiction: They are near a pool.