Just posted a photo @ Downtown Seoul Garden https://t.co/7U5dagdGnH
East Region
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PASIR RIS CENTRAL
['posted', 'photo', 'downtown', 'seoul', 'garden', 'https://t.co/7u5dagdgnh']
['garden', 'garden']
just posted photo downtown garden
posted photo downtown seoul garden
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report for a public flat house."},
    ]

It seems that the post does not mention anything related to a maintenance report or public housing, so the answer is "False" for the "relatedness" field. The "type" field is set to "none" because the post does not belong to any of the categories mentioned in the question. The "explanation" field provides a brief explanation for why the post does not match the criteria.