Anchor: A woman who is doing yoga.
Entailed: a woman does yoga
Contradiction: the woman is doing jumping jacks
Contradiction: A naked man is outdoors.
Contradiction: You could say that Mary Bono, noted historian and constitutional scholar, voted in favor of impeachment.
Contradiction: A group of people sitting down on the steps
Contradiction: I did the same, and we drove up at almost exactly the same time.