1 <http://example.org/base#a> <http://example.org/base#b> <http://example.org/base#c> .
2 <http://example.org/base#a> <http://example.org/base#b> <http://example.org/base#d> .
3 <http://example.org/base#a> <http://example.org/base#b> <http://example.org/base#e> .
