Anchor: Two men walking the beach with guitar in hand.
Entailed: The are two men with guitars at the beach.
Contradiction: The two men are carrying a large drum down the beach.
Contradiction: The old mean is not wearing eyeglasses.
Contradiction: Not all fields need you to take all four years of schooling.
Contradiction: 8 U.S.G. contains all of the notice and comment procedures necessary to finish the process.
Contradiction: The people are playing football.