<span>These nonessential elements, which can be words, phrases, or clauses, are set off with commas. Rule: Use commas before and after nonessential words, phrases, and clauses, that is, elements embedded in the sentence that interrupt it without changing the essential meaning.</span>
My last answer was deleted for being pointless, but I had to add more letters for the correct, succinct answer to be published. The right answer is "a sentence".
She sounds lonely because the line you showed me sounded sad and she wants someone there.
1. opinionated
2. Illegible
3. Mediocre
4. Usurp
5. trite
I'm sorry if any of these are wrong