Anchor: A group of people dancing with hands in the air.
Entailed: There is a group of people dancing with hands in the air.
Contradiction: There is one person singing.
Contradiction: Jon didn't own a rapier. 
Contradiction: There are only two answers to this advertisement!
Contradiction: A man wearing a yellow hard hat is in the middle of hammering a nail into a tree branch.
Contradiction: I'm hoping that we stay out of there and don't get greedy.