I'm at Grapevine Café Bar &amp; Restaurant in Upper Serangoon, Singapore https://t.co/U5QkARenSO
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
North-East Region
[{'url': 'https://t.co/U5QkARenSO', 'expanded_url': 'https://www.swarmapp.com/c/cP0reQ9MSdH', 'display_url': 'swarmapp.com/c/cP0reQ9MSdH', 'indices': [73, 96]}]
KOVAN
["i'm", 'grapevine', 'café', 'bar', 'restaurant', 'upper', 'serangoon', 'singapore', 'https://t.co/u5qkarenso']
[]
grapevine restaurant upper
grapevine caf bar amp restaurant upper serangoon singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

The provided Twitter post does not appear to be related to a maintenance report feedback for a public flat house in Singapore. The post mentions a business called "Grapevine Café & Bar & Restaurant" located in Upper Serangoon, but it does not contain any information about a maintenance issue or feedback related to public housing. Therefore, the answer is "False" for the "relatedness" field, and the "type" field is set to "none" because the post does not fit into any of the other categories. The "explanation" field provides a brief explanation for why the post is not related to the topic.