I'm at Secret Salon in Singapore https://t.co/Cm3vIlR0VU
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Central Region
[{'url': 'https://t.co/Cm3vIlR0VU', 'expanded_url': 'https://www.swarmapp.com/c/cUQ9k6s9jXx', 'display_url': 'swarmapp.com/c/cUQ9k6s9jXx', 'indices': [33, 56]}]
BOON KENG
["i'm", 'secret', 'salon', 'singapore', 'https://t.co/cm3vilr0vu']
['secret']
secret salon
secret salon singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the Twitter post you provided does not relate to a maintenance report feedback to public flat house in Singapore. The term "secret salon singapore" does not suggest any specific issue or problem that would fall under the category of maintenance report feedback. Therefore, the answer is "False" for the relatedness and "none" for the type. The explanation provided is a brief explanation for why the post does not relate to the given category.