FINAL REDUCTIONS ON EVERYTHING FROM SS21 BEFORE WE WELCOME NEW DROPS FROM AW21 
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#sectsshop
#sectsshopsale 
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offline: Orchard Gateway 04-14 Singapore 
online: https://t.co/r28vMrLci3 @ Orchard Road https://t.co/wKdYJuuB6s
Central Region
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CAIRNHILL
['final', 'reduction', 'everything', 'ss21', 'welcome', 'new', 'drop', 'aw21', '#sectsshop', '#sectsshopsale', 'offline', 'orchard', 'gateway', '04-14', 'singapore', 'online', 'https://t.co/r28vmrlci3', 'orchard', 'road', 'https://t.co/wkdyjuub6s']
['gateway']
final everything from before welcome from #sectsshop #sectsshopsale orchard gateway orchard road
final reductions everything ss21 welcome new drops aw21 sectsshop sectsshopsale offline orchard gateway 414 singapore online orchard road
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not mention anything related to maintenance report feedback for public flat house. The post is about upcoming sales and new drops from SS21 to AW21, and does not pertain to any maintenance issues or feedback related to public housing. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a brief explanation of why the post is not related to the requested topic.