Keep smile dong https://t.co/9bRHkD9qYP
Block 612 Ang Mo Kio Avenue 4
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YIO CHU KANG WEST
['keep', 'smile', 'dong', 'https://t.co/9brhkd9qyp']
['smile', 'smile', 'smile', 'smile']
keep smile dong
keep smile dong
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the post "keep smile dong" does not have any relevance to a maintenance report feedback for a public flat house. It is possible that the user is simply expressing a positive sentiment or encouraging others to do the same, without any connection to maintenance reports or public housing.