I'm at Tiong Shian Porridge Centre in Singapore https://t.co/XvyJmX3cqS
Central Region
[{'url': 'https://t.co/XvyJmX3cqS', 'expanded_url': 'https://www.swarmapp.com/c/2ElCNR4S0FP', 'display_url': 'swarmapp.com/c/2ElCNR4S0FP', 'indices': [48, 71]}]
CHINATOWN
["i'm", 'tiong', 'shian', 'porridge', 'centre', 'singapore', 'https://t.co/xvyjmx3cqs']
[]
porridge
tiong shian porridge centre singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the tweet you provided does not relate to a maintenance report feedback to public flat house in Singapore. The term "tiong shian porridge centre" does not seem to be a common term related to public housing or maintenance reports in Singapore. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house in Singapore.