Just posted a photo @ Downstairs_SG https://t.co/OB5zgeOQPH
Central Region
[{'url': 'https://t.co/OB5zgeOQPH', 'expanded_url': 'https://www.instagram.com/p/CSejWjnhzL1/?utm_medium=twitter', 'display_url': 'instagram.com/p/CSejWjnhzL1/…', 'indices': [36, 59]}]
MARINA CENTRE
['posted', 'photo', 'downstairs_sg', 'https://t.co/ob5zgeoqph']
[]
just posted photo
posted photo downstairs sg
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to a maintenance report for a public flat house."},
    ]

It seems that the post does not relate to a maintenance report feedback for a public flat house. The term "sg" in the post could potentially stand for "Singapore," but without more context, it is difficult to determine the exact meaning of the post.