I'm at Chua Chu Kang Mac https://t.co/8BMaLfDzqa
<a href="https://www.swarmapp.com" rel="nofollow">Foursquare Swarm</a>
West Region
[{'url': 'https://t.co/8BMaLfDzqa', 'expanded_url': 'https://www.swarmapp.com/c/9sPv8mXSHvm', 'display_url': 'swarmapp.com/c/9sPv8mXSHvm', 'indices': [25, 48]}]
CHOA CHU KANG CENTRAL
["i'm", 'chua', 'chu', 'kang', 'mac', 'https://t.co/8bmalfdzqa']
[]
kang
chua chu kang mac
  [
    {"relatedness": False, "type": "none", "explanation": "The post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the post "chua chu kang mac" does not contain any information related to a maintenance report feedback for a public flat house. The post appears to be a simple phrase in Mandarin Chinese, and does not contain any specific details or context that would suggest otherwise. Therefore, the answer is that the post does not relate to a maintenance report feedback for a public flat house.