Anchor: Several bystanders are watching as a man does a wheelie on a yellow four wheel bike
Entailed: Some people are observing a juggler in a bike.
Contradiction: A kid is running in the yard.
Contradiction: Everyone had known what Janet meant.
Contradiction: My opinion is that self representation is part of our Constitution. 
Contradiction: That was painful and I never want to go through that ever again.
Contradiction: Two dogs on the beach.