Anchor: Seven people, mostly in white shirts, dance in a room with one red wall.
Entailed: There are seven people in a room.
Contradiction: There are 8 people in the room.
Contradiction: It makes complete sense to me that this would be mandatory. 
Contradiction: A guy is in a crowd.
Contradiction: the dog is asleep by the fireplace
Contradiction: The people enjoy the church dinner.