I'm at Chinatown MRT Interchange (NE4/DT19) - @sbs_transit in Singapore https://t.co/fX4mREn8xm
<a href="https://www.swarmapp.com" rel="nofollow">Foursquare Swarm</a>
Central Region
[{'url': 'https://t.co/fX4mREn8xm', 'expanded_url': 'https://www.swarmapp.com/c/4sTao6OG0l0', 'display_url': 'swarmapp.com/c/4sTao6OG0l0', 'indices': [72, 95]}]
CHINATOWN
["i'm", 'chinatown', 'mrt', 'interchange', 'ne4', 'dt19', '@sbs_transit', 'singapore', 'https://t.co/fx4mren8xm']
[]
chinatown interchange @sbs transit
chinatown mrt interchange ne4 dt19 singapore
  [
    {"relatedness": True, "type": "facility", "explanation": "broken MRT interchange"},
    {"relatedness": True, "type": "location", "explanation": "Chinatown MRT station"},
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat house."}
    ]

The post does relate to a maintenance report feedback for public flat house, specifically the broken MRT interchange at Chinatown MRT station in Singapore. Therefore, the answer is:

{"relatedness": True, "type": "facility", "explanation": "broken MRT interchange"}