Cousins~ @ Singapore, Singapore https://t.co/SYpvawpL0Y
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/SYpvawpL0Y', 'expanded_url': 'https://www.instagram.com/p/B8DxdlJB-Iw/?igshid=iuqwdrqw96x2', 'display_url': 'instagram.com/p/B8DxdlJB-Iw/…', 'indices': [32, 55]}]
TANGLIN HALT
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cousins singapore 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 does not mention anything related to maintenance report feedback for a public flat house in Singapore. The term "cousins" and "Singapore" do not provide any context that suggests otherwise. Therefore, the answer is "False" for the question "Does the post relate to a maintenance report feedback to public flat house?"