I'm at Cairnhill Crest in Singapore https://t.co/y7Eblj6b5p
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Central Region
[{'url': 'https://t.co/y7Eblj6b5p', 'expanded_url': 'https://www.swarmapp.com/c/9J5WHUaI9oZ', 'display_url': 'swarmapp.com/c/9J5WHUaI9oZ', 'indices': [36, 59]}]
CAIRNHILL
["i'm", 'cairnhill', 'crest', 'singapore', 'https://t.co/y7eblj6b5p']
[]
crest
cairnhill crest singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the tweet "cairnhill crest singapore" is not related to a maintenance report feedback for a public flat house. It is possible that the user is simply mentioning the location of their residence or workplace, or that they are referring to a different type of facility or building. Without more context or information, it is difficult to determine the exact nature of the tweet.