1 side of the arms and both shoulders are done so far. 1 more arm to go, and then I wanna rework the backpack unit. I tried doing it with the dry sanding previously and the marks left behind by the sanding is pretty… https://t.co/4awd3QFa3F
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/4awd3QFa3F', 'expanded_url': 'https://www.instagram.com/p/CCP18j8nzn2/?igshid=fspbmowdsa44', 'display_url': 'instagram.com/p/CCP18j8nzn2/…', 'indices': [217, 240]}]
MARINA CENTRE
['1', 'side', 'arm', 'shoulder', 'done', 'far', '1', 'arm', 'go', 'wanna', 'rework', 'backpack', 'unit', 'tried', 'dry', 'sanding', 'previously', 'mark', 'left', 'behind', 'sanding', 'pretty', '…', 'https://t.co/4awd3qfa3f']
['pretty', 'shoulder', 'pretty', 'shoulder', 'pretty', 'pretty']
side arms both done more then rework unit tried doing with sanding previously left behind sanding pretty
1 side arms shoulders done far 1 arm go want rework backpack unit tried dry sanding previously marks left behind sanding pretty
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not seem to be related to a maintenance report feedback for a public flat house. The post mentions "1 side arms shoulders done far 1 arm go want rework backpack unit tried dry sanding previously marks left behind sanding pretty", which does not suggest any issue or feedback related to a public flat house. Therefore, the answer is "False" for the "relatedness" field, and the "type" field is set to "none" as there is no specific type of feedback or issue mentioned in the post. The "explanation" field is left blank as there is no explanation for why the post is not related to maintenance report feedback for public flat house.