Anchor: A group of people sitting in chairs in a circle having a conversation.
Entailed: A group of people are having a conversation.
Contradiction: A group of people are standing at a bar.
Contradiction: The man is throwing a football.
Contradiction: The couple with bright hair is embracing.
Contradiction: No one wants to know about the worst vegetarian dinner.
Contradiction: A chemical timer and plastic explosives were home-made.