Company annual dinner 2020 @ 566 Seafood Restaurant At Mandai Estate https://t.co/FKaTB6DGrv
<a href="http://instagram.com" rel="nofollow">Instagram</a>
North Region
[{'url': 'https://t.co/FKaTB6DGrv', 'expanded_url': 'https://www.instagram.com/p/B7i9ZN_FSlb/?igshid=1kza2lg3kd72f', 'display_url': 'instagram.com/p/B7i9ZN_FSlb/…', 'indices': [69, 92]}]
GALI BATU
['company', 'annual', 'dinner', '2020', '566', 'seafood', 'restaurant', 'mandai', 'estate', 'https://t.co/fkatb6dgrv']
['dinner']
company annual dinner restaurant estate
company annual dinner 2020 566 seafood restaurant mandai estate
  [
    {"relatedness": False, "type": "event", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not seem to relate to a maintenance report feedback for a public flat house. The post mentions a company annual dinner at a seafood restaurant in Mandai Estate, which is not a maintenance-related issue. Therefore, the answer is { "relatedness": False, "type": "event", "explanation": "This post is not related to maintenance report feedback for public flat house." }.