document
  default <http://anotherexample.org/>
  prefix ex <http://example.org/>
  
  wasGeneratedBy(e2, a1, -)
  activity(a1, 2019-02-10T12:34:48.235120, -, [prov:type="edit"])
  entity(e2, [ex:content="There was a lot of crime in London last month", ex:creator="Abhi", prov:type="File"])
  agent(ag2, [ex:name="Bob", prov:type="prov:Person"])
  wasAssociatedWith(a1, ag2, -, [prov:role="author"])
endDocument