_:b1 <http://example.org/base#a> <http://example.org/base#b> . _:b1 <http://example.org/base#c> <http://example.org/base#d> . <http://example.org/base#e> <http://example.org/base#f> _:b2 . _:b2 <http://example.org/base#g> <http://example.org/base#h> .