Anchor: A group of firemen in fire suits and oxygen tanks looking down into a manhole.
Entailed: A group of firemen are standing around a manhole.
Contradiction: Some firemen are eating chili.
Contradiction: Ok, sounds possible.
Contradiction: By the time they got here, they weren't talking.
Contradiction: The woman screamed at her husband.
Contradiction: The standards are to be applied to all of the aspects.