Anchor: Group of adults sitting in a circle at a meeting.
Entailed: Some people are at a meeting.
Contradiction: Some people sit in a row and ignore each other.
Contradiction: What do you think contributes to the quality of food at McDonald's?
Contradiction: There wasn't a response from the audience.
Contradiction: It's a hobby, not something to do. 
Contradiction: It was because of him that Hong Kong began to be prosperous.