Anchor: Eventually, we tracked the bug down to one single line of code that failed because it assumed all graphics cards are created equal.
Entailed: We finally found a piece of erroneous code that suffered from false assumptions.
Contradiction: We combed this code from top to bottom and could not find a single bug.
Contradiction: A man in a gray shirt sitting in a lobby.
Contradiction: How about buying a car.
Contradiction: A woman is shopping is the grocery store.
Contradiction: They are kicking a soccer ball.