When your travel plans are messed up entirely. 

📷 : #Sony A7r II @ Gardens by the Bay https://t.co/l6HUXoOBMC
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/l6HUXoOBMC', 'expanded_url': 'https://www.instagram.com/p/B94F-tFFat2/?igshid=13p04pit8bot1', 'display_url': 'instagram.com/p/B94F-tFFat2/…', 'indices': [87, 110]}]
MARINA SOUTH
['travel', 'plan', 'messed', 'entirely', '📷', '#sony', 'a7r', 'ii', 'garden', 'bay', 'https://t.co/l6huxoobmc']
['garden', 'garden', 'plan']
when your travel entirely #sony
travel plans messed entirely sony a7r ii gardens bay
  [
    {"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 mentions "travel plans" and "Sony A7r ii", which do not seem to be related to any maintenance issue in a public flat house. 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.