@Singtel is singnet down ?
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Kovan MRT Station (NE13)
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LORONG AH SOO
['@singtel', 'singnet']
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@singtel down
singnet
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance."},
    ]

It seems that the post does not relate to a maintenance report feedback to a public flat house. The term "singnet" does not suggest any specific context or topic related to public housing or maintenance.