Not happy not sad just empty.  😅 @ Singapore https://t.co/3yxMIeEKQ2
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/3yxMIeEKQ2', 'expanded_url': 'https://www.instagram.com/p/CCjUGUpjgFUqf4EWcvbkPB9UKb9W51OL1ugeZU0/?igshid=12pe3t78hnrj9', 'display_url': 'instagram.com/p/CCjUGUpjgFUq…', 'indices': [45, 68]}]
MARINA CENTRE
['happy', 'sad', 'empty', '😅', 'singapore', 'https://t.co/3yxmieekq2']
['happy', 'happy', 'happy', 'happy']
happy just empty
happy sad empty 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 "happy sad empty singapore" does not contain any information related to a maintenance report feedback for a public flat house. The post does not mention any specific issue or facility that requires maintenance, and does not provide any context that would suggest otherwise. Therefore, the answer is "False" for the question "Does the post relate to a maintenance report feedback to public flat house?"