21st birthday VS 31st birthday .
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10 years differences yet I still spend the day with my loved ones...
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Special thanks to my lovely housemates for cooking dinner and making the most addictive sponge cake… https://t.co/Itf3mIpCH7
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
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MARINA CENTRE
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['birthday', 'birthday', 'special', 'lovely', 'lovely', 'birthday', 'birthday', 'special', 'lovely', 'dinner', 'lovely', 'birthday', 'birthday', 'lovely', 'sponge', 'birthday', 'birthday', 'lovely']
birthday birthday still spend with special thanks lovely cooking dinner making most sponge cake
21st birthday vs 31st birthday 10 years differences yet still spend day loved ones special thanks lovely housemates cooking dinner making addictive sponge cake
  [
    {"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 for a public flat house. The post is about the difference between 21st and 31st birthdays and the celebrations involved, with no mention of any maintenance or infrastructure issues 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 brief explanation that the post is not related to maintenance report feedback for public flat house.