TOPIK I preparation class - Korean language proficiency test @Daehan Korean https://t.co/NlSti2b70S
East Region
[{'url': 'https://t.co/NlSti2b70S', 'expanded_url': 'https://www.instagram.com/p/CMqscnEH6S-/?igshid=1mhqy0w9bib32', 'display_url': 'instagram.com/p/CMqscnEH6S-/…', 'indices': [76, 99]}]
KEMBANGAN
preparation class korean language proficiency test @daehan korean
topik preparation class korean language proficiency test korean
  [
    {"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 is about a topic preparation class for the Korean language proficiency test, and does not mention any issues or concerns related to public housing. Therefore, the answer is "False" for the "relatedness" field, and "none" for the "type" field, along with a brief explanation.