Just posted a photo @ East Coast Park Castle Beach https://t.co/OnfP1YervF
<a href="http://instagram.com" rel="nofollow">Instagram</a>
East Region
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SIGLAP
['posted', 'photo', 'east', 'coast', 'park', 'castle', 'beach', 'https://t.co/onfp1yervf']
['beach', 'coast']
just posted photo east coast park castle beach
posted photo east coast park castle beach
  [
    {"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, so the answer is "False" for the "relatedness" field. The "type" field is set to "none" because the post does not belong to any other category. The "explanation" field provides a brief explanation for why the post does not relate to the given category.