Anchor: A small group of people are standing up looking at something in front of them.
Entailed: A group of people stand up and peeked at what's happening in front of them
Contradiction: The people are sitting at round tables.
Contradiction: Some group of people are gathered around a cab driver yelling at him for speeding
Contradiction: The passengers on the aircraft are frustrated because their flight has been delayed.
Contradiction: People laying in the grass staring at the stars.
Contradiction: The group is large