Don Don Donki is great. 
#DonDonDonki https://t.co/gLl6WCAvdW
Don Don Donki
[]
MARINA CENTRE
['donki', 'great', '#dondondonki', 'https://t.co/gll6wcavdw']
[]
great #dondondonki
donki great dondondonki
  [
    {"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 "donki great dondondonki" does not contain any information related to a maintenance report feedback for a public flat house. The post does not mention any specific issue or facility related to public housing, and does not appear to be a complaint or feedback of any kind. Therefore, the answer is that the post does not relate to a maintenance report feedback for a public flat house.