Anchor: All I can do is promise you they didn't.'
Entailed: I can only assure you that they did not. 
Contradiction: I can only tell you that they did it. 
Contradiction: A woman is wearing a black dress and dancing.
Contradiction: New Orleans began to evolve by the 1750's.
Contradiction: Two boys lounge in camp chairs around a campfire.
Contradiction: Many people are standing around outside.