Anchor: um-hum it'll take a while maybe our grandchildren will know it
Entailed: It will take so long that, perhaps in the future, our grand kids will experience it.
Contradiction: It won't take long at all.
Contradiction: Two children swimming in a lake.
Contradiction: A man runs.
Contradiction: A man sits on a fence in the middle of the night.
Contradiction: In folklore, the Bedouin of the Sinai, live in the most interesting ways.