Just posted a photo @ Chomp Chomp @Serangoon Gradens https://t.co/JgZjgVa5sk
North-East Region
[{'url': 'https://t.co/JgZjgVa5sk', 'expanded_url': 'https://www.instagram.com/p/CLojvAsBtZKfvxPOvRyRh9nJnTUdcndegUgQ6c0/?igshid=1lnaq1yu2nxdc', 'display_url': 'instagram.com/p/CLojvAsBtZKf…', 'indices': [53, 76]}]
SERANGOON GARDEN
['posted', 'photo', 'chomp', 'chomp', '@serangoon', 'gradens', 'https://t.co/jgzjgva5sk']
[]
just posted photo chomp chomp @serangoon
posted photo chomp chomp gradens
  [
    {"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 mention anything related to maintenance report feedback for a public flat house. The word "chomp" and "gradens" do not appear to be related to any specific issue or facility in a public flat house. Therefore, the answer is "relatedness": False.