Anchor: A group of women walking by a man on the sidewalk.
Entailed: A group of women are walking.
Contradiction: Some women are the only ones on the sidewalk.
Contradiction: The construction activities can't happen while the boiler is on.
Contradiction: Men are wearing helmets
Contradiction: No research is needed to make sure appropriate requirements are adopted.
Contradiction: There is a person who is not a teetotaller.