Kayuh teroks 68.6km Done @ Marina Bay Singapore https://t.co/gRAwoPYcbN
Singapore
[{'url': 'https://t.co/gRAwoPYcbN', 'expanded_url': 'https://www.instagram.com/p/CJz3E7BMPDpmFQikWaasua91--ntZRupCdQ2ss0/?igshid=vdbjvpn6gkai', 'display_url': 'instagram.com/p/CJz3E7BMPDpm…', 'indices': [48, 71]}]
BAYFRONT SUBZONE
done marina
kayuh teroks 68 6km done marina bay singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

The given Twitter post does not mention any specific issue or concern related to a maintenance report feedback for a public flat house. The post simply states that the user has completed a 68km run from Marina Bay in Singapore, which does not relate to maintenance reports or public housing. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house." }