Anchor: A man wearing a backpack is pushing against a rock wall.
Entailed: A man is wearing a backpack.
Contradiction: A man is pushing against a feather mattress.
Contradiction: Homer Simpson loves brussel sprouts.
Contradiction: Santayana requested that I add that those who forget the past are doomed to repeat it.
Contradiction: The house is in very bad condition, it has never been renovated from its original structure.
Contradiction: You can tell which ones are native.