I'm at Vertex in Singapore https://t.co/tOCnr1CdHW
Central Region
[{'url': 'https://t.co/tOCnr1CdHW', 'expanded_url': 'https://www.swarmapp.com/c/htry4Uv2gKG', 'display_url': 'swarmapp.com/c/htry4Uv2gKG', 'indices': [27, 50]}]
KAMPONG UBI
["i'm", 'vertex', 'singapore', 'https://t.co/tocnr1cdhw']
[]
vertex
vertex singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the tweet "vertex singapore" does not relate to a maintenance report feedback to public flat house. It is not clear what the tweet refers to, as it is a generic term and does not provide any context or information about the topic. Therefore, I have marked the answer as "relatedness": False and "type": "none" and provided a brief explanation to explain why the tweet does not relate to the requested topic.