I'm at National Sailing Centre in Singapore https://t.co/afNmxlDnBW
East Region
[{'url': 'https://t.co/afNmxlDnBW', 'expanded_url': 'https://www.swarmapp.com/c/1BGlADuXTZ7', 'display_url': 'swarmapp.com/c/1BGlADuXTZ7', 'indices': [44, 67]}]
BAYSHORE
["i'm", 'national', 'sailing', 'centre', 'singapore', 'https://t.co/afnmxldnbw']
[]
national sailing
national sailing centre singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to maintenance report feedback for public flat house."},
    ]

The provided Twitter post does not seem to be related to a maintenance report feedback for a public flat house. The term "national sailing centre singapore" does not mention any specific issue or facility related to public housing, and therefore does not fit the given category.