Exploring Kallang area, cool Sports Hub area https://t.co/B8jr86CTYR
Singapore Sports Museum
[]
TANJONG RHU
['exploring', 'kallang', 'area', 'cool', 'sport', 'hub', 'area', 'https://t.co/b8jr86ctyr']
['cool']
exploring area cool sports area
exploring kallang area cool sports hub area
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not seem to be related to a maintenance report feedback for a public flat house. The post is about exploring the Kallang area, which is a different topic altogether. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a short explanation that the post is not related to maintenance report feedback for public flat house.