Grocery (@ FairPrice Finest - @fairpricesg in Singapore) https://t.co/HSxpnyEhxo
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Central Region
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MARINE PARADE
['grocery', 'fairprice', 'finest', '@fairpricesg', 'singapore', 'https://t.co/hsxpnyehxo']
[]
grocery @fairpricesg
grocery fairprice finest singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat houses."},
    ]

The post does not relate to a maintenance report feedback to public flat houses, as it is about a grocery store called FairPrice Finest in Singapore. Therefore, the answer is "relatedness": False, "type": "none", and "explanation": "This post is not related to maintenance report feedback for public flat houses."