I'm at Changi Falls https://t.co/mqMWxcHozh
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
East Region
[{'url': 'https://t.co/mqMWxcHozh', 'expanded_url': 'https://www.swarmapp.com/c/j9VYI4QOdOC', 'display_url': 'swarmapp.com/c/j9VYI4QOdOC', 'indices': [20, 43]}]
XILIN
["i'm", 'changi', 'fall', 'https://t.co/mqmwxchozh']
['fall', 'fall']
changi falls
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to a maintenance report for a public flat house."},
    ]

It seems that the tweet "changi falls" is not related to a maintenance report feedback for a public flat house. It is possible that the user is referring to the Changi Waterfall, a popular tourist attraction in Singapore, or some other unrelated topic.