刚刚发了照片 @ W Singapore - Sentosa Cove https://t.co/HqK7lQKvkJ
Central Region
[{'url': 'https://t.co/HqK7lQKvkJ', 'expanded_url': 'https://www.instagram.com/p/CHXBUcbLUbh/?igshid=3krbxu247a7w', 'display_url': 'instagram.com/p/CHXBUcbLUbh/…', 'indices': [36, 59]}]
SENTOSA
cove
w singapore sentosa cove
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the tweet "w singapore sentosa cove" does not relate to a maintenance report feedback to a public flat house. Sentosa Cove is a private residential development located in Singapore, and it does not appear to be associated with any public housing or maintenance issues. Therefore, the answer is that the post does not relate to a maintenance report feedback to a public flat house.