Just posted a photo @ Marine Cove, East Coast Park https://t.co/VZnGOX7l5G
Central Region
[{'url': 'https://t.co/VZnGOX7l5G', 'expanded_url': 'https://www.instagram.com/p/CTkUwlep1EHQz4tngnD4Wh6sA65gYd5gNAquuo0/?utm_medium=twitter', 'display_url': 'instagram.com/p/CTkUwlep1EHQ…', 'indices': [51, 74]}]
EAST COAST
['posted', 'photo', 'marine', 'cove', 'east', 'coast', 'park', 'https://t.co/vzngox7l5g']
['cove', 'marine', 'cove', 'coast', 'cove', 'cove', 'cove']
just posted photo marine cove east coast park
posted photo marine cove east coast park
  [
    {"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 a maintenance report feedback for a public flat house. The post only mentions a photo of a marine cove located at East Coast Park, which is not related to maintenance reports or public flats. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house." }.