# add 2 triples
?s	?p	?o
<http://example.com/x>	<http://example.com/y>	<http://example.com/z>
<http://example.com/x>	<http://example.com/y>	23
# remove 1 triple
?s	?p	?o
<http://example.com/x>	<http://example.com/y>	23
#
?g	?s	?p	?o
<http://example.com/g>	<http://example.com/x>	<http://example.com/y>	23
