I'm at Guan Kee 元記 in Singapore https://t.co/RshW5erGkf
Central Region
[{'url': 'https://t.co/RshW5erGkf', 'expanded_url': 'https://www.swarmapp.com/c/07b8qERDIyO', 'display_url': 'swarmapp.com/c/07b8qERDIyO', 'indices': [32, 55]}]
BOON KENG
["i'm", 'guan', 'kee', '元記', 'singapore', 'https://t.co/rshw5ergkf']
[]
guan
guan kee singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

The provided Twitter post does not seem to be related to a maintenance report feedback to public flat house in Singapore. The phrase "guan kee singapore" does not contain any keywords related to maintenance, facilities, or public housing. Therefore, the post does not match any of the categories in the previous answer.