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機材変更でA350ラッキー!! https://t.co/QMpQVbva8I
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Singapore Changi Airport (SIN)
[]
CHANGI AIRPORT
a350
  [
    {"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 post "a350" does not contain any information that suggests it is a maintenance report or feedback related to a public flat house. Therefore, the answer is "False" for the "relatedness" field, and the "type" field is set to "none" because it is not related to any specific category. The "explanation" field contains a brief explanation of why the post is not related to the requested topic.