I'm at Playground | Marine Cove in Singapore https://t.co/I5Xg2K09zj
Central Region
[{'url': 'https://t.co/I5Xg2K09zj', 'expanded_url': 'https://www.swarmapp.com/c/72h6WeD2vQI', 'display_url': 'swarmapp.com/c/72h6WeD2vQI', 'indices': [45, 68]}]
EAST COAST
["i'm", 'playground', 'marine', 'cove', 'singapore', 'https://t.co/i5xg2k09zj']
['playground', 'cove', 'playground', 'marine', 'playground', 'cove', 'cove', 'playground', 'cove', 'cove', 'playground']
playground marine cove
playground marine cove singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report for a public flat house."},
    ]

It seems that the post you provided does not mention anything related to a maintenance report for a public flat house in Singapore. The post simply mentions "playground marine cove singapore" without providing any context or information that would suggest otherwise. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.