Ahlan wa sahlan, ya Ramadhan al-Mubarak! @ Singapore https://t.co/EfR7vHwB1T
Central Region
[{'url': 'https://t.co/EfR7vHwB1T', 'expanded_url': 'https://www.instagram.com/p/CNkeJSbBZ3-/?igshid=10a14v4h8c0ue', 'display_url': 'instagram.com/p/CNkeJSbBZ3-/…', 'indices': [53, 76]}]
MARINA CENTRE
ahlan wa sahlan ya ramadhan almubarak singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not seem to be related to a maintenance report feedback for a public flat house. The post is a greeting in Arabic for the month of Ramadan in Singapore, and does not mention any issues or concerns related to maintenance or 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.