Post workout meal. #tabataworkout #tabatachallenge day1 @ Singapore https://t.co/v3YjgVDZ3g
Central Region
[{'url': 'https://t.co/v3YjgVDZ3g', 'expanded_url': 'https://www.instagram.com/p/CQGh3-3pjR_/?utm_medium=twitter', 'display_url': 'instagram.com/p/CQGh3-3pjR_/…', 'indices': [68, 91]}]
MARINA CENTRE
['post', 'workout', 'meal', '#tabataworkout', '#tabatachallenge', 'day', '1', 'singapore', 'https://t.co/v3yjgvdz3g']
[]
post workout meal #tabataworkout #tabatachallenge
post workout meal tabataworkout tabatachallenge day1 singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not relate to a maintenance report feedback to public flat house. The post is about a post-workout meal and a fitness challenge, and does not mention any issues or concerns related to public housing. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a brief explanation of why the post is not related to the requested topic.