I'm at Killiney in Singapore https://t.co/yc0KgHB1Yp
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
East Region
[{'url': 'https://t.co/yc0KgHB1Yp', 'expanded_url': 'https://www.swarmapp.com/c/5S184Ly0ZRy', 'display_url': 'swarmapp.com/c/5S184Ly0ZRy', 'indices': [29, 52]}]
CHANGI AIRPORT
["i'm", 'killiney', 'singapore', 'https://t.co/yc0kghb1yp']
[]
killiney singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the tweet "killiney singapore" does not relate to a maintenance report feedback to public flat house. It is possible that the user is simply mentioning the location of Killiney in Singapore, or that the tweet is unrelated to any specific topic.