Between appointments on day off, ran into ex colleague in a mall. Had a chanced catch up after a long while over kopi #smallworld #serendipity #cestlavie #beautifulday @ Ya Kun Family Cafe at Suntec City https://t.co/tnBKrUrWr3
Central Region
[{'url': 'https://t.co/tnBKrUrWr3', 'expanded_url': 'https://www.instagram.com/p/CTFP3jWBMaA/?utm_medium=twitter', 'display_url': 'instagram.com/p/CTFP3jWBMaA/…', 'indices': [204, 227]}]
MARINA CENTRE
['appointment', 'day', 'ran', 'ex', 'colleague', 'mall', 'chanced', 'catch', 'long', 'kopi', '#smallworld', '#serendipity', '#cestlavie', '#beautifulday', 'ya', 'kun', 'family', 'cafe', 'suntec', 'city', 'https://t.co/tnbkrurwr3']
['cafe', 'long', 'catch']
between into colleague mall catch after long while over kopi #smallworld #serendipity #cestlavie #beautifulday family city
appointments day ran ex colleague mall chanced catch long kopi smallworld serendipity cestlavie beautifulday ya kun family cafe suntec city
  [
    {"relatedness": False, "type": "none", "explanation": "This post 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 mentions a beautiful day, catching up with an ex-colleague at a mall, and a small world serendipity, but there is no mention of any maintenance issue or feedback 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 that the post is not related to maintenance report feedback for public flat house.