I'm at Cosmetics &amp; Perfumes by The Shilla Duty Free https://t.co/YoWR0iAuY0
East Region
[{'url': 'https://t.co/YoWR0iAuY0', 'expanded_url': 'https://www.swarmapp.com/c/iYcnEFiIHjQ', 'display_url': 'swarmapp.com/c/iYcnEFiIHjQ', 'indices': [56, 79]}]
CHANGI AIRPORT
["i'm", 'cosmetic', 'perfume', 'shilla', 'duty', 'free', 'https://t.co/yowr0iauy0']
[]
shilla duty free
cosmetics amp perfumes shilla duty free
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not relate to a maintenance report feedback to public flat house. The post mentions "cosmetics amp perfumes shilla duty free", which does not pertain to any maintenance issue or feedback related to public housing. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a short explanation indicating that the post is not related to the requested topic.