I'm at T4 Immigration (Arrivals) in Singapore https://t.co/gjkGvk4ohq
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
East Region
[{'url': 'https://t.co/gjkGvk4ohq', 'expanded_url': 'https://www.swarmapp.com/c/gEqqoylbpW9', 'display_url': 'swarmapp.com/c/gEqqoylbpW9', 'indices': [46, 69]}]
CHANGI AIRPORT
["i'm", 't4', 'immigration', 'arrival', 'singapore', 'https://t.co/gjkgvk4ohq']
['arrival']
immigration
t4 immigration arrivals singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat houses."},
    ]

It seems that the post you provided does not relate to maintenance report feedback for public flat houses in Singapore. The term "t4 immigration arrivals singapore" does not contain any keywords related to maintenance reports or public housing, and does not appear to be a complaint or feedback related to such issues. Therefore, the answer is "False" for the relatedness question.