countdown to 19th January 2020 to launch  the 1st mission @ Singapore https://t.co/QGHvWyF8hL
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/QGHvWyF8hL', 'expanded_url': 'https://www.instagram.com/p/B7L3A4jpd5E/?igshid=1ko5qy8n2ebvo', 'display_url': 'instagram.com/p/B7L3A4jpd5E/…', 'indices': [70, 93]}]
MARINA CENTRE
['countdown', '19th', 'january', '2020', 'launch', '1st', 'mission', 'singapore', 'https://t.co/qghvwyf8hl']
['launch', 'countdown', 'launch']
january launch mission
countdown 19th january 2020 launch 1st mission 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 mentions a countdown to a launch on January 19, 2020, and does not mention any issues or concerns related to public housing. Therefore, the answer is "relatedness": False, "type": "none", and "explanation": "This post is not related to maintenance report feedback for public flat house."