Anchor: Two children are sitting while one is standing over them.
Entailed: There are two children sitting.
Contradiction: There are no children.
Contradiction: A man is riding a horse on the beach.
Contradiction: An agency should perform an assessment to evaluate the suitability of electronic signature alternatives for a particular application, according to OMB's published guidance12.
Contradiction: a person plays the drums
Contradiction: Some people holding a sign.