The new system map is live at some stations already... @ Bayfront MRT Station https://t.co/N2bZ9uBYKI
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/N2bZ9uBYKI', 'expanded_url': 'https://www.instagram.com/p/B7A_zp2hhqK/?igshid=17kzibv9v9k50', 'display_url': 'instagram.com/p/B7A_zp2hhqK/…', 'indices': [78, 101]}]
BAYFRONT SUBZONE
['new', 'system', 'map', 'live', 'station', 'already', '...', 'bayfront', 'mrt', 'station', 'https://t.co/n2bz9ubyki']
['system']
system live some already station
new system map live stations already bayfront mrt station
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a 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 new system map and live stations, but does not mention any specific issues or concerns related to a public flat house. Therefore, the answer is "False" for the "relatedness" field, and the "type" field is set to "none" to indicate that the post does not belong to any category related to maintenance reports. The "explanation" field provides a brief explanation for why the post is not related to the given category.