Just posted a photo @ W Singapore - Sentosa Cove https://t.co/7MXWXiwuKb
Central Region
[{'url': 'https://t.co/7MXWXiwuKb', 'expanded_url': 'https://www.instagram.com/p/CQyPuhkFS0eidIN-oMj-bGHeX4SIS9fZOjyi7E0/?utm_medium=twitter', 'display_url': 'instagram.com/p/CQyPuhkFS0ei…', 'indices': [49, 72]}]
SENTOSA
['posted', 'photo', 'w', 'singapore', 'sentosa', 'cove', 'https://t.co/7mxwxiwukb']
['cove', 'cove', 'cove', 'cove', 'cove']
just posted photo cove
posted photo w singapore sentosa cove
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report for a public flat house."},
    ]

It seems that the post you provided does not contain any information related to a maintenance report for a public flat house. The post only mentions "posted photo with Singapore Sentosa Cove" without providing any context or details related to maintenance or public housing. Therefore, the answer is "False" for the question "Does the post relate to a maintenance report feedback to public flat house?"