sunset with purplish sky... @ Jurong West, Singapore https://t.co/sPa9hFjq8c
<a href="http://instagram.com" rel="nofollow">Instagram</a>
West Region
[{'url': 'https://t.co/sPa9hFjq8c', 'expanded_url': 'https://www.instagram.com/p/B_7hD1ZplfK/?igshid=k6uc1c3z533m', 'display_url': 'instagram.com/p/B_7hD1ZplfK/…', 'indices': [53, 76]}]
HONG KAH
['sunset', 'purplish', 'sky', '...', 'jurong', 'west', 'singapore', 'https://t.co/spa9hfjq8c']
['sunset', 'sky', 'sunset']
sunset with purplish west
sunset purplish sky jurong west singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

The given Twitter post does not contain any information related to a maintenance report feedback for a public flat house. The post simply describes a scenic view of a sunset in Jurong West, Singapore, and does not mention any issues or concerns 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 brief explanation of why the post does not relate to the requested topic.