Back to office https://t.co/f3NO5TKybm
Marina One
[]
CENTRAL SUBZONE
['back', 'office', 'https://t.co/f3no5tkybm']
[]
back office
back office
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the post does not relate to a maintenance report feedback to a public flat house. The term "back office" is not specific to any particular context, and it could refer to a variety of things. Without more information, it is difficult to determine the exact nature of the post.