Anchor:  Dave followed, grumbling in his mind.
Entailed: Dave grumbled to himself silently.
Contradiction: Dave stayed where he was.
Contradiction: The group of people are climbing the fire escape to get away from the lady shooting holes in the floor.
Contradiction: An interview occurring in the winter.
Contradiction: Economic policy and bequest motive interact in entirely predictable ways.
Contradiction: You have caused all the problems.