Sad day for the #smurfs #COVID2019 
https://t.co/UezghkgMvl
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France
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YISHUN EAST
['sad', 'day', '#smurfs', '#covid2019', 'https://t.co/uezghkgmvl']
[]
#smurfs #covid    
sad day smurfs covid2019
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the post "sad day smurfs covid2019" does not mention anything related to maintenance report feedback for a public flat house. The term "smurfs" is likely a reference to a popular cartoon character, and "covid2019" is likely a reference to the COVID-19 pandemic. Therefore, this post does not fit into any of the categories I was trained on.