talk 1
https://app.groove.cm/groovevideo/videopage/223560/3krkk7b184a9cd7ff109c9684035284a8ca43
talk 2 https://app.groove.cm/groovevideo/videopage/223561/pfj8jfe73045dec83ef876048263ba73fe2d3
talk 3 https://app.groove.cm/groovevideo/videopage/223562/fetlm801dcfb9b04ee8b3adf8a7d7637a406e
talk 4 https://app.groove.cm/groovevideo/videopage/223563/qugbo99414f8c49f41d57a702f7fe18fbf76e
