I dont really understand this?

According to stephen hawking in the "origin of the universe" lecture, "why are we here" and "where did we come from" are questions that

1. saved aronnax from drowning "an incident" 2. speed of the nautilus man-of-war 3. next to captain nemo conseil 4. electricity vigo bay 5. "a coral tomb" 20,000 leagues 6. the nautilus runs aground nemo's "thunderbolt" 7. episodes are connected by aronnax's quarters 8. captain nemo's "bank" cause 9. distance aronnax traveled on the nautilus "a fine death for a sailor" 10. captain nemo sinks for revenge 50 miles per hour

If the author of the gift of the magi had made the reader aware of the gift jim had purchased in the beginning of the story , this would be an example of