Just posted a photo @ Pulau Ubin, Singapore https://t.co/rqG6bytkvN
<a href="http://instagram.com" rel="nofollow">Instagram</a>
East Region
[{'url': 'https://t.co/rqG6bytkvN', 'expanded_url': 'https://www.instagram.com/p/CDTG6ULHPIQ/?igshid=d5zq265gviww', 'display_url': 'instagram.com/p/CDTG6ULHPIQ/…', 'indices': [44, 67]}]
NORTH-EASTERN ISLANDS
['posted', 'photo', 'pulau', 'ubin', 'singapore', 'https://t.co/rqg6bytkvn']
[]
just posted photo
posted photo pulau ubin singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the post you provided does not contain any information related to a maintenance report feedback for a public flat house. The post simply shows a photo of Pulau Ubin, which is an island located off the coast of Singapore. Therefore, the answer is that the post does not relate to a maintenance report feedback for a public flat house.