Touchdown! (@ Singapore @ChangiAirport in Singapore) https://t.co/Mdf3uL9KDC
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East Region
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CHANGI AIRPORT
touchdown @changiairport
touchdown singapore singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

The post "touchdown singapore singapore" does not contain any information related to a maintenance report feedback for a public flat house. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house." }.