I'm at Grapevine Café Bar &amp; Restaurant in Upper Serangoon, Singapore https://t.co/yaHVHrYM8N
North-East Region
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KOVAN
["i'm", 'grapevine', 'café', 'bar', 'restaurant', 'upper', 'serangoon', 'singapore', 'https://t.co/yahvhrym8n']
[]
grapevine restaurant upper
grapevine caf bar amp restaurant upper serangoon singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report for a public flat house."},
    ]

It seems that the post does not mention any information related to maintenance report feedback for a public flat house. The post simply mentions the name of a business, "Grapevine Caf Bar & Restaurant", located in Upper Serangoon, Singapore.