Just posted a photo @ Shangri-La Rasa Sentosa Singapore https://t.co/v3R1f7ubLh
Central Region
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SENTOSA
just posted photo rasa
posted photo shangrila rasa sentosa singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the post you provided does not contain any information related to a maintenance report feedback for a public flat house in Singapore. The post only mentions the location "Shangrila Rasa Sentosa Singapore" without providing any context or details that would suggest otherwise. Therefore, the answer is "False" for the question "Does the post relate to a maintenance report feedback to public flat house?"