Anchor: A group of children that are either sitting or standing in a line, while two are holding a round object.
Entailed: There are children waiting around.
Contradiction: The children are running around on the playground.
Contradiction: A group of adults are standing around in line.
Contradiction: the children are at home sleeping
Contradiction: The kids are running around playing a game.
Contradiction: A group of children are in a circle, while some are holding a round object.