I'm at Terminal 4 - @changiairport in Singapore https://t.co/1kWZq7QAZe
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
East Region
[{'url': 'https://t.co/1kWZq7QAZe', 'expanded_url': 'https://www.swarmapp.com/c/9KWT8dtNAM3', 'display_url': 'swarmapp.com/c/9KWT8dtNAM3', 'indices': [48, 71]}]
CHANGI AIRPORT
["i'm", 'terminal', '4', '@changiairport', 'singapore', 'https://t.co/1kwzq7qaze']
['terminal', 'terminal', 'terminal']
terminal @changiairport
terminal 4 singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the Twitter post "terminal 4 singapore" does not relate to a maintenance report feedback to public flat house. The post does not mention any specific issue or facility related to public housing, and therefore it does not fit the given category.