Anchor: In a very crowded city, a small group of adults stand in the middle of a patch of grass enclosed by a black metal fence.
Entailed: In a very crowded city, a small group of adults stand
Contradiction: In a very crowded city, a small group of adults don't stand
Contradiction: Pick 7 of the ten versions.
Contradiction: The children will learn this new method in school, but it will be difficult to get the adult population of the US to learn it.
Contradiction: two women play soccer
Contradiction: A group of people jumping in the air.