I'm at The Frontier (Science Canteen) in Singapore https://t.co/fzY5gYkU5c
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Central Region
[{'url': 'https://t.co/fzY5gYkU5c', 'expanded_url': 'https://www.swarmapp.com/c/ac9Cfhk1YWw', 'display_url': 'swarmapp.com/c/ac9Cfhk1YWw', 'indices': [51, 74]}]
NATIONAL UNIVERSITY OF S'PORE
141910213
["i'm", 'frontier', 'science', 'canteen', 'singapore', 'https://t.co/fzy5gyku5c']
[]
frontier science canteen
frontier science canteen singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to maintenance report feedback for public flat houses."},
    ]

The provided Twitter post does not mention any information related to maintenance report feedback for public flat houses in Singapore. Therefore, the answer is a JSON object with a "relatedness" of False, a "type" of "none", and an "explanation" of "This post does not relate to maintenance report feedback for public flat houses."