Anchor: A small girl is going to the school.
Entailed: A child is on her way to learn
Contradiction: A girl is going to play in the arcade
Contradiction: The man is kayaking on a calm river.
Contradiction: It is possible that it wasn't perfect.
Contradiction: There is no need for a system of control techniques because the existing practices are always accurate.
Contradiction: A rural carrier delivers faster to cluster boxes than mail boxes.