Wait... What... @ National Gallery Singapore https://t.co/6YOIwZXJHT
Central Region
[{'url': 'https://t.co/6YOIwZXJHT', 'expanded_url': 'https://www.instagram.com/p/CR_JGMQnBFS/?utm_medium=twitter', 'display_url': 'instagram.com/p/CR_JGMQnBFS/…', 'indices': [45, 68]}]
CITY HALL
['wait', '...', '...', 'national', 'gallery', 'singapore', 'https://t.co/6yoiwzxjht']
['wait', 'wait']
wait what national gallery
wait national gallery singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat house."},
    ]

It seems that the Twitter post "wait national gallery singapore" does not relate to a maintenance report feedback for a public flat house. Therefore, the answer is "False" for the "relatedness" field, and the "type" field is set to "none" since it is not related to any specific category. The "explanation" field provides a brief explanation that the post is not related to maintenance report feedback for public flat house.