@KKMPutrajaya @DGHisham Mustahil. 

Bar too high.
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7-Eleven
[]
KAMPONG GLAM
['@kkmputrajaya', '@dghisham', 'mustahil', 'bar', 'high']
[]
@kkmputrajaya @dghisham high
mustahil bar high
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the Twitter post "mustahil bar high" does not relate to a maintenance report feedback to a public flat house. It is possible that the user is simply expressing their frustration or disappointment with something unrelated to public housing.