Hi Sentosa https://t.co/29wiUrgGDN
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Sentosa Island
[]
SENTOSA
hi sentosa
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the Twitter post "hi sentosa" does not relate to a maintenance report feedback to public flat house. It is a simple greeting, and does not contain any information about maintenance or public housing.