Anchor: a group of several people standing around a railing
Entailed: There are more than two people around a railing.
Contradiction: There is only one person around a railing.
Contradiction: The girl is wearing red coveralls.
Contradiction: People are walking outside.
Contradiction: If a peace results from this, everyone will be absolutely overjoyed.
Contradiction: The green tractor is being drove over a bed of rocks.