Text: To see the first and oldest pyramid you must make an hour's journey south of Cairo to Saqqara and, following this, on to the ancient capital of Lower Egypt Memphis.
Entailment: If you wish to see the first and oldest pyramid, you must take an hour's journey south of Cairo to Saqqara and, following this, on to the ancient capital of Lower Egypt Memphis.
Contradiction: You can't see the first pyramid anymore, because it's run down and destroyed.