Anchor: A group of 4 African-American children are sitting on stools in front of a bar that has iron bars restricting access.
Entailed: A group of 4 children sit in front of an establishment with iron bars.
Contradiction: Nobody is sitting.
Contradiction: Four adults stand at a bus stop.
Contradiction: The kids are riding llamas through the forest.
Contradiction: four kids sleep on a bed
Contradiction: There is a group of  4 African-American children standing and playing with a ball.