Just posted a photo @ Serangoon Central Singapore https://t.co/z3HJFUv0lu
North-East Region
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UPPER PAYA LEBAR
['posted', 'photo', 'serangoon', 'central', 'singapore', 'https://t.co/z3hjfuv0lu']
[]
just posted photo central
posted photo serangoon central singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the post does not contain any information related to a maintenance report feedback for a public flat house in Singapore. The post only mentions the location "Serangoon Central" without any additional context or details. Therefore, it is unlikely that the post is related to a maintenance report feedback for a public flat house.