Just posted a photo @ Caratell Diamonds https://t.co/nJM6cXELFN
Central Region
[{'url': 'https://t.co/nJM6cXELFN', 'expanded_url': 'https://www.instagram.com/p/CHK3ADGniOx/?igshid=1vu8r146j06mh', 'display_url': 'instagram.com/p/CHK3ADGniOx/…', 'indices': [40, 63]}]
DHOBY GHAUT
['posted', 'photo', 'caratell', 'diamond', 'https://t.co/njm6cxelfn']
['diamond', 'diamond']
just posted photo
posted photo caratell diamonds
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

It seems that the post does not relate to a maintenance report feedback for a public flat house. The post is about a photo of caratell diamonds, which is not a facility or an inconvenience related to public housing. Therefore, the answer is "relatedness": False, and the type is "none".