I'm at Grand Park Orchard - @parkhotelgroup in Singapore https://t.co/WBvh0jiE2N
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Central Region
[{'url': 'https://t.co/WBvh0jiE2N', 'expanded_url': 'https://www.swarmapp.com/c/e8etlhOqlPk', 'display_url': 'swarmapp.com/c/e8etlhOqlPk', 'indices': [57, 80]}]
SOMERSET
["i'm", 'grand', 'park', 'orchard', '@parkhotelgroup', 'singapore', 'https://t.co/wbvh0jie2n']
[]
grand park orchard @parkhotelgroup
grand park orchard singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

It seems that the tweet you provided does not relate to a maintenance report feedback for a public flat house in Singapore. The tweet simply mentions "grand park orchard singapore" which does not provide any context or information that suggests otherwise. Therefore, the answer is that the post does not relate to a maintenance report feedback for a public flat house in Singapore.