Anchor: Happened once before, without this mess-up of the signs.
Entailed: Without this mess-up of the signs, happened once before.
Contradiction: It never happened before, without this mess-up of the signs.
Contradiction: Theologians think prayer does nothing to strengthen one's faith.
Contradiction: The child is on the raft
Contradiction: The lady walked past the building.
Contradiction: A woman is outside