Welcome back reception for the 46th SSEAYP participants @ JCC (Japan Creative Centre) https://t.co/fwwdTzM9is
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/fwwdTzM9is', 'expanded_url': 'https://www.instagram.com/p/B7Kn6CWHgx2/?igshid=1syp1wy4l311w', 'display_url': 'instagram.com/p/B7Kn6CWHgx2/…', 'indices': [86, 109]}]
NASSIM
['welcome', 'back', 'reception', '46th', 'sseayp', 'participant', 'jcc', 'japan', 'creative', 'centre', 'https://t.co/fwwdtzm9is']
['creative']
welcome back reception japan creative
welcome back reception 46th sseayp participants jcc japan creative centre
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat houses."},
    ]

It seems that the provided Twitter post does not relate to a maintenance report feedback for public flat houses. The post simply welcomes participants of a reception at the JCC Japan Creative Centre. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat houses." }.