On top of the world! https://t.co/nQozeRJZNi
<a href="http://twitter.com/download/iphone" rel="nofollow">Twitter for iPhone</a>
Marina Bay Sands Atrium 1
[]
BAYFRONT SUBZONE
['top', 'world', 'https://t.co/nqozerjzni']
['top', 'top', 'top']
world
top world
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

It seems that the Twitter post does not relate to a maintenance report feedback to a public flat house. The post simply says "top world" and does not mention anything about maintenance reports or public housing. Therefore, the answer is that the post does not relate to this category.