I'm at Downtown MRT Station (DT17) - @sbs_transit in Singapore https://t.co/RTPFcjPNdz
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Central Region
[{'url': 'https://t.co/RTPFcjPNdz', 'expanded_url': 'https://www.swarmapp.com/c/ftVmQV63eVT', 'display_url': 'swarmapp.com/c/ftVmQV63eVT', 'indices': [63, 86]}]
CENTRAL SUBZONE
["i'm", 'downtown', 'mrt', 'station', 'dt17', '@sbs_transit', 'singapore', 'https://t.co/rtpfcjpndz']
[]
downtown station @sbs transit
downtown mrt station dt17 singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to a maintenance report for a public flat house."},
    ]

The provided Twitter post does not relate to a maintenance report feedback for a public flat house in Singapore. The post mentions "downtown mrt station dt17 singapore", which is a location and not a maintenance issue. Therefore, the answer is "relatedness": False and "type": "none".