The last answer sets the most formal tone; "Hello! I was very pleased to meet you at the party last week." the rest are very casual.
Yes, beacuse this indicates that even though the story is unimportant, it was important enough to <em>somebody </em>so much that they put it towards the front. I hope this is the answer you are looking for
In the story Odysseus' men after a terrible storm slay the sun god's heifers in order to not die of starvation. the only survivor was Odysseus.