Medvedev Stops Van De Zandschulp, Gets Back to US Open Semis https://t.co/B5hbNrZx16
North-East Region
[{'url': 'https://t.co/B5hbNrZx16', 'expanded_url': 'http://dlvr.it/S77Zfq', 'display_url': 'dlvr.it/S77Zfq', 'indices': [61, 84]}]
SERANGOON GARDEN
back open semis
medvedev stops van de zandschulp gets back us open semis
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat houses."},
    ]

The given Twitter post does not relate to a maintenance report feedback to public flat houses. The post is about a tennis match between Daniil Medvedev and Tallon Griekspoor, and does not mention any issues with facilities or maintenance in public flat houses. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a short explanation that the post is not related to the requested topic.