Happy birthday Nah Ang ang_khetboon @ Ang Mo Kio, Singapore https://t.co/8SzAAO5QtM
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North-East Region
[{'url': 'https://t.co/8SzAAO5QtM', 'expanded_url': 'https://www.instagram.com/p/CA7O1BXhE_J/?igshid=1mxa4uemyj095', 'display_url': 'instagram.com/p/CA7O1BXhE_J/…', 'indices': [60, 83]}]
ANG MO KIO TOWN CENTRE
happy birthday
happy birthday nah ang ang khetboon ang mo kio singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not appear to be related to a maintenance report feedback for a public flat house. The post is a birthday greeting in Singlish, which does not pertain to any maintenance or infrastructure issues in public housing. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a brief explanation of why the post is not related to the requested topic.