HMU? https://t.co/XMBWrcoSx9
Blk 645 Ang Mo Kio Avenue 6
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YIO CHU KANG WEST
hmu
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to a maintenance report or feedback for a public flat house."},
    ]

Note: Since the post simply says "hmu", it does not provide any information that could be used to determine if it relates to a maintenance report or feedback for a public flat house. Therefore, the answer is that it does not relate to such a report.