Anchor: A man wearing a white striped shirt is dancing in the center of the dance floor with a woman in a showy black and white dress and high black leather boots.
Entailed: Two people are dancing.
Contradiction: Two people are riding a mechanical bull in front of the large crowd.
Contradiction: I was behind schedule. 
Contradiction: The woman is wearing a black sweatshirt.
Contradiction: A man takes a nap.
Contradiction: There are humans outdoors.