Just posted a photo @ Pasir Ris Mangrove Forest https://t.co/Tox6rJjqOE
East Region
[{'url': 'https://t.co/Tox6rJjqOE', 'expanded_url': 'https://www.instagram.com/p/CUE-XvEvCjW/?utm_medium=twitter', 'display_url': 'instagram.com/p/CUE-XvEvCjW/…', 'indices': [48, 71]}]
PASIR RIS PARK
['posted', 'photo', 'pasir', 'ri', 'mangrove', 'forest', 'https://t.co/tox6rjjqoe']
[]
just posted photo mangrove forest
posted photo pasir ris mangrove forest
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

The provided Twitter post does not mention anything related to a maintenance report feedback for a public flat house. The post only mentions a photo of the Pasir Ris mangrove forest, which is not related to any maintenance issue. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house." }.