Just posted a photo @ Changi Beach Park https://t.co/UMg1cASSCw
Central Region
[{'url': 'https://t.co/UMg1cASSCw', 'expanded_url': 'https://www.instagram.com/p/CVOrgTGh0_D/?utm_medium=twitter', 'display_url': 'instagram.com/p/CVOrgTGh0_D/…', 'indices': [40, 63]}]
MARINA CENTRE
['posted', 'photo', 'changi', 'beach', 'park', 'https://t.co/umg1casscw']
['beach']
just posted photo beach park
posted photo changi beach 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 maintenance report feedback for a public flat house. The post is about a photo of Changi Beach Park, which is a public park in Singapore. Therefore, the answer is that the post does not relate to a maintenance report feedback for a public flat house.