Serene Sentosa Marina. #shotoniPhone #nightmode #singapore https://t.co/hIyS53uB7k
<a href="http://twitter.com/download/iphone" rel="nofollow">Twitter for iPhone</a>
The Oceanfront
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SENTOSA
serene marina #shotoniphone #nightmode #singapore
serene sentosa marina shotoniphone nightmode singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

It seems that the Twitter post does not relate to a maintenance report feedback for a public flat house. The post contains a scenic photo of Sentosa Marina taken at night in iPhone night mode, and does not mention any issues or concerns related to maintenance or public housing. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a brief explanation of why the post is not related to the requested topic.