Anchor: Three men in a boat on a narrow river team together to carry a large pink sack onto their boat.
Entailed: There is water in the river.
Contradiction: The river is frozen solid.
Contradiction: The woman is standing near the lagoon.
Contradiction: They are trying to find the most cost-effective way to limit SO2 emissions. 
Contradiction: Every week, Pecker is done worse than the week before.
Contradiction: A woman dressed for spring hitting tennis balls.