Birthday cake 🎂 for Ifah from @grandhyattsing @ Grand Hyatt Singapore https://t.co/bhSUuCQMtf
Central Region
[{'url': 'https://t.co/bhSUuCQMtf', 'expanded_url': 'https://www.instagram.com/p/CJJaTdJhBRe/?igshid=1pbef3yu2h4sj', 'display_url': 'instagram.com/p/CJJaTdJhBRe/…', 'indices': [70, 93]}]
BOULEVARD
['birthday', 'cake', '🎂', 'ifah', '@grandhyattsing', 'grand', 'hyatt', 'singapore', 'https://t.co/bhsuucqmtf']
['birthday', 'birthday', 'birthday', 'birthday']
birthday cake from @grandhyattsing grand
birthday cake ifah grand hyatt 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 seem to relate to a maintenance report feedback for a public flat house. The post mentions a birthday cake at the Grand Hyatt Singapore, which is not a maintenance issue or a feedback 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." }.