Anchor: The President's Clear Skies Initiative is designed to help us meet our national air quality goals.
Entailed: The Clear Skies Initiative was designed to help meet the nation's air quality goals.
Contradiction: The Clear Skies Initiative was initially developed as a political ploy, and was not expected to be effective.
Contradiction: There were no cities in the world in 1507.
Contradiction: A barrel with a skateboarder is standing in the yard.
Contradiction: A man is climbing the tree.
Contradiction: A group of men are outside.