At 2143 on 21 Nov 2021 

#fullmoon #moonsighting @ Mandai, Singapore https://t.co/k3y3W0tYlT
North Region
[{'url': 'https://t.co/k3y3W0tYlT', 'expanded_url': 'https://www.instagram.com/p/CWilGREvnk4/?utm_medium=twitter', 'display_url': 'instagram.com/p/CWilGREvnk4/…', 'indices': [69, 92]}]
MANDAI EAST
#fullmoon #moonsighting
2143 21 nov 2021 fullmoon moonsighting mandai 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 for a public flat house. The post mentions "fullmoon moonsighting mandai singapore" which does not seem to be related to any maintenance issue or feedback for a public flat house. Therefore, the answer is "False" for the "relatedness" field, and the "type" field is set to "none" since the post does not belong to any category related to maintenance report feedback for public flat houses. The "explanation" field provides a brief explanation for why the post is not related to the requested topic.