I'm at River Safari in Singapore https://t.co/tbdpZopKFE
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
North Region
[{'url': 'https://t.co/tbdpZopKFE', 'expanded_url': 'https://www.swarmapp.com/c/3WYPysRqES7', 'display_url': 'swarmapp.com/c/3WYPysRqES7', 'indices': [33, 56]}]
CENTRAL WATER CATCHMENT
["i'm", 'river', 'safari', 'singapore', 'https://t.co/tbdpzopkfe']
[]
river safari
river safari singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat house."},
    ]

The post "river safari singapore" does not relate to a maintenance report feedback for a public flat house. It is a reference to a tourist attraction in Singapore, and does not fall under any of the categories listed in the question. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat house." }