Happy belated birthday #Singapore @ Keppel Bay Bridge https://t.co/zqayOiV7dp
Singapore
[{'url': 'https://t.co/zqayOiV7dp', 'expanded_url': 'https://www.instagram.com/p/CTQzIznPa4jOK09ZrhY_7T-q2Yw1zSM9qfwCiY0/?utm_medium=twitter', 'display_url': 'instagram.com/p/CTQzIznPa4jO…', 'indices': [54, 77]}]
MARITIME SQUARE
['happy', 'belated', 'birthday', '#singapore', 'keppel', 'bay', 'bridge', 'https://t.co/zqayoiv7dp']
['happy', 'birthday', 'happy', 'happy', 'birthday', 'happy', 'birthday', 'belated', 'birthday']
happy belated birthday #singapore bridge
happy belated birthday singapore keppel bay bridge
  [
    {"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 simply wishing a belated birthday to Singapore's Keppel Bay Bridge, and does not contain any information or feedback related to maintenance or infrastructure. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house." }.