Happy mother's day! @ Singapore https://t.co/UnJ47hOboP
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/UnJ47hOboP', 'expanded_url': 'https://www.instagram.com/p/B__UzQLnYDi/?igshid=i3slz1m5zno0', 'display_url': 'instagram.com/p/B__UzQLnYDi/…', 'indices': [32, 55]}]
MARINA CENTRE
['happy', "mother's", 'day', 'singapore', 'https://t.co/unj47hobop']
['happy', 'happy', 'happy', 'happy']
happy mother
happy mother day singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not relate to a maintenance report feedback to public flat house. The post is a generic greeting on Mother's Day and does not contain any information or context related to maintenance or public housing. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house." }.