PREFIX log: <http://www.w3.org/2000/10/swap/log#>
PREFIX : <http://example.org/test#>

:bob :father _:sk_0.
_:sk_0 a :Man.
:my :graph {:bob :father :ted. :bob :father :ted}.
:my :graph {:bob :father :ted. :bob :father _:sk_0}.
:my :graph {:bob :father _:sk_0. :bob :father _:sk_0}.
:o :o :o.
:ted a :Man.

