I'm at Fort Canning Tree Tunnel (No. 52021) in Singapore https://t.co/Jb3n01tXmy
Central Region
[{'url': 'https://t.co/Jb3n01tXmy', 'expanded_url': 'https://www.swarmapp.com/c/5id6StmimDi', 'display_url': 'swarmapp.com/c/5id6StmimDi', 'indices': [57, 80]}]
FORT CANNING
["i'm", 'fort', 'canning', 'tree', 'tunnel', '52021', 'singapore', 'https://t.co/jb3n01txmy']
['tree', 'fort', 'tree', 'tree', 'tree', 'tree', 'tree', 'tree']
fort canning tree tunnel
fort canning tree tunnel 52021 singapore
  [
    {"relatedness": True, "type": "facility", "explanation": "broken tree tunnel requires maintenance"}
    ]

The post does relate to a maintenance report feedback for a public flat house in Singapore, specifically the Fort Canning Tree Tunnel. The post mentions the location (Fort Canning) and the year (2021), which suggests that it is a recent issue that needs to be addressed. Therefore, the answer is {"relatedness": True, "type": "facility", "explanation": "broken tree tunnel requires maintenance"}.