I'm at National Dental Centre in Singapore https://t.co/O2CJTaFGF7
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Central Region
[{'url': 'https://t.co/O2CJTaFGF7', 'expanded_url': 'https://www.swarmapp.com/c/3LrjDglKqTt', 'display_url': 'swarmapp.com/c/3LrjDglKqTt', 'indices': [43, 66]}]
SINGAPORE GENERAL HOSPITAL
["i'm", 'national', 'dental', 'centre', 'singapore', 'https://t.co/o2cjtafgf7']
[]
national dental
national dental centre singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat house."},
    ]


It seems that the provided Twitter post does not relate to a maintenance report feedback for a public flat house in Singapore. The post simply mentions the "national dental centre singapore" without providing any context or information related to maintenance or public housing. Therefore, the answer is "False" for the "relatedness" field, and the "type" field is set to "none" because the post does not belong to any of the categories mentioned in the question. The "explanation" field provides a brief explanation for why the post does not match the given criteria.