hey u lil piss baby @ Somewhere Under The Sun https://t.co/GRuVNLWQNo
<a href="http://instagram.com" rel="nofollow">Instagram</a>
North-East Region
[{'url': 'https://t.co/GRuVNLWQNo', 'expanded_url': 'https://www.instagram.com/p/CBZMsaCFylpORBy_CPwS2yNQJGMNQ8ztdUWt480/?igshid=1ubz8jltgts4g', 'display_url': 'instagram.com/p/CBZMsaCFylpO…', 'indices': [46, 69]}]
YIO CHU KANG WEST
['hey', 'u', 'lil', 'piss', 'baby', 'somewhere', 'sun', 'https://t.co/gruvnlwqno']
['baby', 'sun', 'sun', 'baby', 'sun', 'sun', 'sun']
piss baby somewhere under
hey lil piss baby somewhere sun
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the Twitter post does not relate to a maintenance report feedback to public flat house. The post contains a nonsensical phrase "hey lil piss baby somewhere sun" and does not contain any relevant information or context that would suggest otherwise. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.