_:b6 <http://example.org/value> "a" _:b5 .
_:b8 <http://example.org/value> "b" _:b7 .
_:b4 <http://example.org/value> "y" _:b3 .
_:b0 <http://example.org/input> _:b5 .
_:b0 <http://example.org/input> _:b7 .
_:b0 <http://example.org/input> _:b3 .
_:b0 <http://example.org/input> _:b1 .
_:b2 <http://example.org/value> "x" _:b1 .
