I'm at Gate E4 in Singapore https://t.co/ZlWKiQD3fL
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
East Region
[{'url': 'https://t.co/ZlWKiQD3fL', 'expanded_url': 'https://www.swarmapp.com/c/lOtUyMubHCj', 'display_url': 'swarmapp.com/c/lOtUyMubHCj', 'indices': [28, 51]}]
CHANGI AIRPORT
["i'm", 'gate', 'e4', 'singapore', 'https://t.co/zlwkiqd3fl']
['gate']
gate
gate e4 singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to a maintenance report for a public flat in Singapore."},
    ]

It seems that the tweet "gate e4 singapore" does not relate to a maintenance report feedback for a public flat in Singapore. Therefore, the answer is "relatedness": False.