>>> import pyrple
>>> G = pyrple.Graph(ntriples='<#Jessica> <#likes> <#Chris> .')
>>> P = pyrple.Graph(ntriples='?p ?q ?r .')
>>> Q = pyrple.Graph(ntriples='?r ?q ?p .')
>>> print G.infer(P, Q, mode='filter')
[(<#Chris>, <#likes>, <#Jessica>)]
>>> G.infer(P, Q, mode='apply')
>>> print G
[(<#Jessica>, <#likes>, <#Chris>), (<#Chris>, <#likes>, <#Jessica>)]
>>>