I'm at National Stadium - @sgsportshub in Singapore https://t.co/nxrVxg0DZF
Central Region
[{'url': 'https://t.co/nxrVxg0DZF', 'expanded_url': 'https://www.swarmapp.com/c/99fljuIkuli', 'display_url': 'swarmapp.com/c/99fljuIkuli', 'indices': [52, 75]}]
TANJONG RHU
["i'm", 'national', 'stadium', '@sgsportshub', 'singapore', 'https://t.co/nxrvxg0dzf']
[]
national stadium @sgsportshub
national stadium singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the tweet "national stadium singapore" is not related to a maintenance report feedback to public flat house. It is likely a reference to the National Stadium in Singapore, which is a sports and entertainment venue.