모닝 커피 (@ River Valley in Singapore) https://t.co/CJLKfCzMHV
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Central Region
[{'url': 'https://t.co/CJLKfCzMHV', 'expanded_url': 'https://www.swarmapp.com/c/hwec9LaOVmN', 'display_url': 'swarmapp.com/c/hwec9LaOVmN', 'indices': [36, 59]}]
CHATSWORTH
river valley
river valley singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

The post "river valley singapore" does not relate to a maintenance report feedback to public flat house. It is a geographical location and does not mention any issues or concerns related to public housing. Therefore, the answer is "relatedness": False, "type": "none", and "explanation": "This is not related to public housing or maintenance reports."