Just posted a photo @ Grand Park City Hall, Singapore https://t.co/lz8ldPcNCG
Central Region
[{'url': 'https://t.co/lz8ldPcNCG', 'expanded_url': 'https://www.instagram.com/p/CJdt2xonR9m/?igshid=1q91sro0mtvv5', 'display_url': 'instagram.com/p/CJdt2xonR9m/…', 'indices': [54, 77]}]
CITY HALL
['posted', 'photo', 'grand', 'park', 'city', 'hall', 'singapore', 'https://t.co/lz8ldpcncg']
[]
just posted photo grand park city hall
posted photo grand park city hall singapore
  [
    {"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 contain any information related to a maintenance report feedback for a public flat house in Singapore. The post only mentions a photo of Grand Park City Hall in Singapore, which is likely a public building or landmark. Therefore, the answer is "relatedness": False, "type": "none", and "explanation": "This post does not relate to a maintenance report feedback for a public flat house."