Mask is a must @ Tiong Bahru Plaza https://t.co/uL3rs44sZt
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/uL3rs44sZt', 'expanded_url': 'https://www.instagram.com/p/CBXMg1ZjhxBYTrNBhMcmwy5IG8SECIYQZWZep00/?igshid=14pqs24kg6f1g', 'display_url': 'instagram.com/p/CBXMg1ZjhxBY…', 'indices': [35, 58]}]
TIONG BAHRU STATION
['mask', 'must', 'tiong', 'bahru', 'plaza', 'https://t.co/ul3rs44szt']
[]
mask must plaza
mask must tiong bahru plaza
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to a maintenance report for a public flat house."},
    ]

The Twitter post "mask must tiong bahru plaza" does not seem to be related to a maintenance report feedback for a public flat house. It is possible that the user is mentioning a specific location or landmark, but without more context, it is difficult to determine the exact nature of the post.