I'm at Terminal 3 Immigration (Arrivals North) in Singapore https://t.co/8irKQhqwWr
<a href="https://www.swarmapp.com" rel="nofollow">Foursquare Swarm</a>
East Region
[{'url': 'https://t.co/8irKQhqwWr', 'expanded_url': 'https://www.swarmapp.com/c/37F6dqWO6ZH', 'display_url': 'swarmapp.com/c/37F6dqWO6ZH', 'indices': [60, 83]}]
CHANGI AIRPORT
["i'm", 'terminal', '3', 'immigration', 'arrival', 'north', 'singapore', 'https://t.co/8irkqhqwwr']
['terminal', 'arrival', 'terminal', 'terminal']
terminal immigration north
terminal 3 immigration arrivals north singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat houses."},
    ]

The given Twitter post does not relate to a maintenance report feedback to public flat houses. The post mentions "terminal 3 immigration arrivals north Singapore," which does not seem to be related to maintenance reports or public flat houses. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none," and "explanation" set to a brief explanation.