On hiking … 

プラウウビンをハイキング中 https://t.co/P0WentQHVG
Pulau Ubin
[]
hiking
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat houses."},
    ]

Note: Since the post is about hiking, it does not relate to maintenance report feedback for public flat houses, so the response is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a short explanation of why the post is not related.