I'm at Grapevine Café Bar &amp; Restaurant in Upper Serangoon, Singapore w/ @paranoid_lust @ryannnlim_ https://t.co/mm2GjbkKCZ
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
North-East Region
[{'url': 'https://t.co/mm2GjbkKCZ', 'expanded_url': 'https://www.swarmapp.com/c/5ebFvvYtVpa', 'display_url': 'swarmapp.com/c/5ebFvvYtVpa', 'indices': [103, 126]}]
KOVAN
["i'm", 'grapevine', 'café', 'bar', 'restaurant', 'upper', 'serangoon', 'singapore', 'w', '@paranoid_lust', '@ryannnlim_', 'https://t.co/mm2gjbkkcz']
[]
grapevine restaurant upper @paranoid lust @ryannnlim 
grapevine caf bar amp restaurant upper serangoon singapore w
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the Twitter post does not relate to a maintenance report feedback to a public flat house. The post mentions a business location, specifically a cafe, bar, and restaurant located in Upper Serangoon, Singapore. Therefore, the answer is "false" for the "relatedness" field, and the "type" field is set to "none" because the post does not belong to any of the categories mentioned in the question. The "explanation" field provides a brief explanation for why the post is not related to the topic.