Anchor: A flight attendant is demonstrating safety devices.
Entailed: A flight attendant is putting on a show
Contradiction: A worker is on the plane
Contradiction: The ad was blunt in saying they were not worthy. 
Contradiction: Will you breed a litter next year?
Contradiction: I still have it on me, the Yankees didn't take it. 
Contradiction: There was over a dozen people gathered near the museum.