@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix ex: <http://example/> .
@prefix : <http://example/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .



:e1 prov:wasGeneratedBy :a.
:e2 prov:wasGeneratedBy :a.
:a prov:used :e1.
:a prov:used :e2.
:a a prov:Activity.
:e1 a prov:Entity.
:e2 a prov:Entity.
:e1 prov:wasAttributedTo :ag.
:ag a prov:Agent.
:e2 prov:wasDerivedFrom :e1.