Anchor: A group of people are waiting at a subway station.
Entailed: People are gathered together.
Contradiction: People are flying a blimp.
Contradiction: She was never on the David Letterman show and furthermore she didn't attend the Cannes Film Festival.
Contradiction: All of these apply to Alec.
Contradiction: An auctioneer peddling today's wares.
Contradiction: A man is skateboarding.