It's basically just saying to appreciate everything you have in life, whether you have a lot or a little. It also says that objects don't make happiness.
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The best answer is "powerless and depressed". Words like "cough", "choke", "old", and "finally" convey a sad mood, which rules out "angry and vengeful" and "indifferent". The girl is clearly frightened and sad, without any say in the current matters, which makes the best answer "powerless and depressed".
