Can be 5;16 too. https://t.co/n6p7X9huIt
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Heng's Family Minimart
[]
PASIR RIS CENTRAL
['5', '16', 'https://t.co/n6p7x9huit']
[]
5 16
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance."},
    ]

It seems that the Twitter post you provided does not relate to a maintenance report feedback to a public flat house. The post contains the number 5 and the letter 16, but these do not form any meaningful information related to maintenance or public housing. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.