Relaxing @ Henderson Waves https://t.co/mKsd6IJwSf
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/mKsd6IJwSf', 'expanded_url': 'https://www.instagram.com/p/CCgJeIujl-m/?igshid=s994axektxce', 'display_url': 'instagram.com/p/CCgJeIujl-m/…', 'indices': [27, 50]}]
TELOK BLANGAH DRIVE
['relaxing', 'henderson', 'wave', 'https://t.co/mksd6ijwsf']
[]
relaxing henderson waves
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post "relaxing henderson waves" does not relate to a maintenance report feedback to public flat house. It is not a complaint or feedback about a broken facility, inconvenience, or any other issue related to public housing. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house." }.