Standby for Horizon Cup！See u at 6pm https://t.co/fs2WZtKemq
Suntec City Mall
[]
MARINA CENTRE
['standby', 'horizon', 'cup', '！', 'see', 'u', '6pm', 'https://t.co/fs2wztkemq']
['horizon', 'horizon']
horizon
standby horizon cup see 6pm
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the post "standby horizon cup see 6pm" does not contain any information related to a maintenance report feedback for a public flat house. The post does not mention any specific issue or facility related to public housing, and does not contain any keywords that are commonly used in maintenance reports. Therefore, the answer is "relatedness": False.