Anchor: Black dog climbs over fallen logs or boards.
Entailed: The black dog is climbing over something in its path.
Contradiction: Two goldfish are riding bikes in a giant pile of mashed potatoes.
Contradiction: Two men having a meal, one of which is laughing.
Contradiction: The six people are outdoors.
Contradiction: The Prime Minister was level headed, doing work at his desk.
Contradiction: My parents in Wyoming are hoping to get more because they anticipate water problems this summer.