_:b61498771 _:b61498772 . _:b61498769 _:b61498770 . _:b61498772 "2020-01-01"^^ . _:b61498768 _:b61498769 . _:b61498770 "2003-01-01"^^ . _:b61498768 _:b61498771 . _:b61498768 .