Anchor: A man is holding a beer, while another man looks at him.
Entailed: the man is in the bar
Contradiction: the man is ar home
Contradiction: The Norton Simon Museum has no notable European art in its collection.
Contradiction: Because there is a poor selection of food at the summit, it's a good idea to bring along your own supply of food and hot drinks. 
Contradiction: People in casual attire walk along a street
Contradiction: The term value-subtracted is gaining traction in public parlance.