Goodnight. https://t.co/pie4jMZH2t
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YOTEL Singapore
[]
BOULEVARD
['goodnight', 'https://t.co/pie4jmzh2t']
[]
goodnight
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the post does not relate to a maintenance report feedback to public flat house. The post simply says "goodnight" and does not contain any information or context that suggests otherwise. Therefore, the answer is that the post does not relate to this category.