Visitor @ Singapore https://t.co/dHTM8O21Wy
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/dHTM8O21Wy', 'expanded_url': 'https://www.instagram.com/p/CAAHiDxFSVcY0gMl2h2ngRKqx49QGOOBo_y7ew0/?igshid=1dryz07asjdls', 'display_url': 'instagram.com/p/CAAHiDxFSVcY…', 'indices': [20, 43]}]
MARINA CENTRE
visitor
visitor singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

It seems that the Twitter post you provided does not relate to a maintenance report feedback for a public flat house. The term "visitor Singapore" does not provide any context or information that suggests otherwise. Therefore, the answer is "relatedness": False.