I'm at Marina Bay Sands Casino in Singapore https://t.co/m1GmSvsD8o
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Central Region
[{'url': 'https://t.co/m1GmSvsD8o', 'expanded_url': 'https://www.swarmapp.com/c/7p5oKVLYBQp', 'display_url': 'swarmapp.com/c/7p5oKVLYBQp', 'indices': [44, 67]}]
BAYFRONT SUBZONE
marina casino
marina bay sands casino 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 contain any information related to a maintenance report feedback for a public flat house. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a short explanation of why the post does not relate to the given topic.