Sna sini corona
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Blk 637 Yishun Street 61
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YISHUN SOUTH
corona
sna sini corona
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post "sna sini corona" does not seem to relate to a maintenance report feedback for a public flat house. It appears to be a nonsensical phrase with no clear meaning or context, so I have marked it as "relatedness": False.