Anchor: A large group of people wearing red construction hats are observing a blue and red oil well.
Entailed: A large group of people wearing constructions hat are observering a oil well.
Contradiction: A small group of people wearing swimming drunks are watching a oil well.
Contradiction: two scientists are taking soil samples
Contradiction: If you don't want to sail, then take the harbor cruise.
Contradiction: The child in the stroller is outside.
Contradiction: Camara de Lobos looks better from a distance than it does up close.