Anchor: I'll bring the sandwiches.
Entailed: I will provide some sandwiches.
Contradiction: I will not bring any sandwiches, so find someone else to do it.
Contradiction: The woman is dancing.
Contradiction: There is no cost incurred when requesting the service.
Contradiction: The EPA does not estimate the benefits of air quality regulation.
Contradiction: People are walking by the bar on the street.