Who says the following and why? "Farewell, my friend! And when you are at home, home in your own land, remember me at times. Mainly to me you owe the gift of life." 1/Alcinous is bidding Odysseus a fond farewell.
2/Odysseus is saying good-bye to Tiresias.
3/Circe is sending Odysseus and his crew off.
4/Nausicaa is reminding Odysseus of how she helped him.