Anchor: Two girls lean around a tree, laughing.
Entailed: Two girls are leaning on a tree.
Contradiction: Two girls are running.
Contradiction: The people in the office only have a view of the river.
Contradiction: There is a tennis player with a tennis racquet on a court.
Contradiction: Vaclav Havel had never been to the United States before becoming president of Czechoslovakia.
Contradiction: There are people outdoors.