Just posted a photo @ Singapore Cancer Society https://t.co/UTbda6TKQc
Central Region
[{'url': 'https://t.co/UTbda6TKQc', 'expanded_url': 'https://www.instagram.com/p/CMormCTnqZ0PaefNBAEFzs6JYVyUX5qwQ9FHQc0/?igshid=bx56sdtctusl', 'display_url': 'instagram.com/p/CMormCTnqZ0P…', 'indices': [47, 70]}]
ANSON
['posted', 'photo', 'singapore', 'cancer', 'society', 'https://t.co/utbda6tkqc']
['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 criteria you specified. The post is about the Singapore Cancer Society, which is not 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." }.