My singtel Sim new ringtone @ Singapore https://t.co/uGDjuvOUUK
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/uGDjuvOUUK', 'expanded_url': 'https://www.instagram.com/p/B9J4B-QAZ6Y/?igshid=1rhkpsolfzgme', 'display_url': 'instagram.com/p/B9J4B-QAZ6Y/…', 'indices': [40, 63]}]
MARINA CENTRE
['singtel', 'sim', 'new', 'ringtone', 'singapore', 'https://t.co/ugdjuvouuk']
[]
singtel sim new ringtone singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

It seems that the Twitter post you provided does not relate to a maintenance report feedback for a public flat house. The post mentions a new ringtone for Singtel sim in Singapore, which is not related to maintenance report feedback. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house." }.