I'm at Four Leaves in Singapore https://t.co/5E8IXRVMXW
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
East Region
[{'url': 'https://t.co/5E8IXRVMXW', 'expanded_url': 'https://www.swarmapp.com/c/7Jpcja4Y9UZ', 'display_url': 'swarmapp.com/c/7Jpcja4Y9UZ', 'indices': [32, 55]}]
BEDOK NORTH
["i'm", 'four', 'leaf', 'singapore', 'https://t.co/5e8ixrvmxw']
[]
four leaves
4 leaves singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the post "4 leaves singapore" does not relate to a maintenance report feedback to public flat house. It is not clear what this post is referring to, as it does not provide any context or information that would suggest otherwise. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.