Happy birthday, mummy dearest! 😘
.
#springdy @ Singapore, City. Asia. https://t.co/xfu1Pd4Gqr
Central Region
[{'url': 'https://t.co/xfu1Pd4Gqr', 'expanded_url': 'https://www.instagram.com/p/CT9sDRkhzJ-/?utm_medium=twitter', 'display_url': 'instagram.com/p/CT9sDRkhzJ-/…', 'indices': [70, 93]}]
GHIM MOH
ChIJhaDhv-kb2jERoZ4vop0LnT8
['happy', 'birthday', 'mummy', 'dearest', '😘', '#springdy', 'singapore', 'city', 'asia', 'https://t.co/xfu1pd4gqr']
['happy', 'birthday', 'happy', 'happy', 'birthday', 'happy', 'birthday', 'birthday']
happy birthday mummy #springdy city
happy birthday mummy dearest springdy singapore city asia
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not seem to be related to a maintenance report feedback for a public flat house. The post is a simple birthday greeting with no mention of any maintenance issues or feedback 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 short explanation of why the post is not related to the requested topic.