1<scheme:!$%25&amp;'()*+,-./0123456789:/@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~?#> <http://a.example/p> <http://a.example/o> .
2<scheme:!$%25&amp;'()*+,-./0123456789:/@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~?#> <http://a.example/p> <http://a.example/o> <http://example/graph> .
3