Happy 21st birthday @SabrinaAnnLynn 
Stay strong, smart &amp; beautiful...
#sabrinacarpenter #carpenters #happy21stbirthday @ Singapore https://t.co/ncagKVGx8w
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
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MARINA CENTRE
['happy', '21st', 'birthday', '@sabrinaannlynn', 'stay', 'strong', 'smart', 'beautiful', '...', '#sabrinacarpenter', '#carpenters', '#happy21stbirthday', 'singapore', 'https://t.co/ncagkvgx8w']
['happy', 'birthday', 'beautiful', 'happy', 'happy', 'birthday', 'beautiful', 'happy', 'birthday', 'birthday']
happy birthday @sabrinaannlynn stay strong smart beautiful #sabrinacarpenter #carpenters #happy  stbirthday
happy 21st birthday stay strong smart amp beautiful sabrinacarpenter carpenters happy21stbirthday 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 be related to a maintenance report feedback for a public flat house. The post is a birthday message for Sabrina Carpenter, and does not mention any facilities, inconveniences, block numbers, or streets related to public housing. Therefore, the answer is "False" for the "relatedness" field, and "none" for the "type" field, with a brief explanation provided in the "explanation" field.