Anchor: Someone is skateboarding while the other two boys are playing with small toys.
Entailed: SOmeone is skateboarding while other boys are playing with toys.
Contradiction: A dog is playing with a pig in the mud.
Contradiction: He didn't feel any shock from the WTC attack.
Contradiction: Housing that is accessible is needed for people suffering or who may develop a disability.
Contradiction: The man is jogging while looking at the red building.
Contradiction: There is a person up in the tree.