USSなう！
シンガポール最高！！🇸🇬

マリーナベイサンズ綺麗すぎ。
めっちゃ楽しい😂🙏 https://t.co/N4zgL1qWji
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ユニバーサルスタジオシンガポール
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SENTOSA
uss
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the Twitter post does not relate to a maintenance report feedback to public flat house. The post simply contains the letter "uss" with no context or information that would suggest otherwise. Therefore, the answer is that the post does not relate to this category.