Fanboy moment with Prof Michael Grätzel of @EPFL_en at @gyss_sg featuring @IntlYoungerChem . Thank you very much @CREATE_NRF for organising this fabulous event for us Scientists. Join us next year in 2021 ! @jovana_v_milic @torsten_john @Joao_F_Borges #GYSS2020 #scientistsinSG 🎊 https://t.co/Cp7PajsXRR
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Matrix Auditorium @ Biopolis
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ONE NORTH
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['fanboy', 'moment', 'prof', 'michael', 'grätzel', '@epfl_en', '@gyss_sg', 'featuring', '@intlyoungerchem', 'thank', 'much', '@create_nrf', 'organising', 'fabulous', 'event', 'u', 'scientist', 'join', 'u', 'next', 'year', '2021', '@jovana_v_milic', '@torsten_john', '@joao_f_borges', '#gyss2020', '#scientistsinsg', '🎊', 'https://t.co/cp7pajsxrr']
['scientist', 'scientist', 'join', 'scientist']
moment with prof michael @epfl en @gyss sg @intlyoungerchem thank very much @create nrf this fabulous event join next year @jovana v milic @torsten john @joao f borges #gyss     #scientistsinsg
fanboy moment prof michael gr tzel featuring thank much organising fabulous event us scientists join us next year 2021 gyss2020 scientistsinsg
  [
    {"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 about a scientist, Michael Gr, featuring and thanking people for organizing a fabulous event, and inviting scientists to join them next year. It does not mention any maintenance issues or concerns related to public flat houses. 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.