Just posted a photo @ Singapore Cancer Society https://t.co/wyBvu3dlGh
Central Region
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ANSON
['posted', 'photo', 'singapore', 'cancer', 'society', 'https://t.co/wybvu3dlgh']
['cancer', 'cancer', 'cancer', 'cancer', 'cancer']
just posted photo cancer society
posted photo singapore cancer society
  [
    {"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 you provided does not match the given criteria. The post is about the Singapore Cancer Society and does not mention anything related to 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." }.