I'm at Sea Horse in Singapore https://t.co/XZAtskNsrf
East Region
[{'url': 'https://t.co/XZAtskNsrf', 'expanded_url': 'https://www.swarmapp.com/c/lOAwgqtoCys', 'display_url': 'swarmapp.com/c/lOAwgqtoCys', 'indices': [30, 53]}]
TAMPINES EAST
["i'm", 'sea', 'horse', 'singapore', 'https://t.co/xzatsknsrf']
['horse', 'sea']
horse
sea horse singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

It seems that the Twitter post "sea horse singapore" does not relate to a maintenance report feedback to public flat house. It is not clear what the post is referring to, as "sea horse" is not a location or a facility related to public housing. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.