Just posted a photo @ JW Marriott Hotel Singapore South Beach https://t.co/nAn5VEuPwH
Central Region
[{'url': 'https://t.co/nAn5VEuPwH', 'expanded_url': 'https://www.instagram.com/p/CUcsEKXl3Rt/?utm_medium=twitter', 'display_url': 'instagram.com/p/CUcsEKXl3Rt/…', 'indices': [62, 85]}]
CITY HALL
['posted', 'photo', 'jw', 'marriott', 'hotel', 'singapore', 'south', 'beach', 'https://t.co/nan5veupwh']
['beach']
just posted photo hotel south beach
posted photo jw marriott hotel singapore south beach
  [
    {"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 match the criteria for a maintenance report feedback to a public flat house. The post is about a hotel, specifically the JW Marriott Hotel Singapore South Beach, and does not mention any issues or requests related to maintenance or public housing. Therefore, the answer is that the post does not relate to a maintenance report feedback to a public flat house.