I'm at I12 Katong - @112_katong in Singapore https://t.co/V3WhSKUgEj
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Central Region
[{'url': 'https://t.co/V3WhSKUgEj', 'expanded_url': 'https://www.swarmapp.com/c/9QH6ictljng', 'display_url': 'swarmapp.com/c/9QH6ictljng', 'indices': [45, 68]}]
MARINE PARADE
["i'm", 'i12', 'katong', '@112_katong', 'singapore', 'https://t.co/v3whskugej']
[]
@    katong
i12 katong singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the Twitter post "i12 katong singapore" does not relate to a maintenance report feedback to public flat house. The term "i12" is likely a location reference, but it does not indicate any specific issue or feedback related to public housing.