I'm at Rehab Services Gymnasium in Singapore https://t.co/zEPu6keyjj
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East Region
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SIMEI
["i'm", 'rehab', 'service', 'gymnasium', 'singapore', 'https://t.co/zepu6keyjj']
[]
gymnasium
rehab services gymnasium 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 you provided does not mention anything related to maintenance report feedback for a public flat house in Singapore. The term "rehab services gymnasium singapore" does not suggest any connection to public housing or maintenance reports. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.