Kallang river? 🤔 https://t.co/Dbi68TVITp
Lower Peirce Reservoir
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CENTRAL WATER CATCHMENT
river
kallang river
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

It seems that the Twitter post "kallang river" does not relate to a maintenance report feedback to public flat house. The post does not mention any specific issue or facility related to public housing, and therefore it does not fit into any of the categories I provided.