Anchor: A man in blue shirt winnowing gravel for construction purposes.
Entailed: There is a man shoveling gravel.
Contradiction: A man is sleeping.
Contradiction: Two men and a dog are playing frisbee in a fenced field.
Contradiction: He knew that the parties were inherently democratic.
Contradiction: The dog is sitting at home.
Contradiction: I couldn't whip out a masterpiece in thirty minutes like her.