Anchor: He can help us if we need him.
Entailed: He is willing to assist us.
Contradiction: He won't help us with anything.
Contradiction: The hockey players are playing football.
Contradiction: Care must be taken to scope and sequence the study.
Contradiction: We don't have to get any kind of furniture or even think of it.
Contradiction: He meant it when he said "that's what it says".