Anchor: Surely we ought to secure the document, that is, provided the young man's guess turns out to be correct, at once.
Entailed: If he's right, we need to take steps to protect the document immediately.
Contradiction: If the man is correct, there is no need to secure the document.
Contradiction: The merchants are selling shoes at the market.
Contradiction: It's three day from now.
Contradiction: The women are sleeping.
Contradiction: They do not allow non believers into their temple precincts.