data: 
  org: 
    name: human   
  org: 
    name: cow
    noise: moo   
  org: 
    name: grass
    colour: green   
  org: 
    name: shark   
  org: 
    name: tuna   
  org: 
    name: aquatic_animal
  rel: 
    type: eats
    subj: human
    obj: cow
  rel: 
    type: eats
    subj: human
    obj: shark
  rel: 
    type: eats
    subj: human
    obj: tuna
  rel: 
    type: eats
    subj: cow
    obj: grass
  rel: 
    type: eats
    subj: shark
    obj: human
  rel: 
    type: eats
    subj: shark
    obj: tuna
  rel: 
    type: eats
    subj: human
    obj: human
    qual: cannibalistic
  rel: 
    type: farms
    subj: human
    obj: cow
  rel: 
    type: isa
    subj: tuna
    obj: aquatic_animal
  rel: 
    type: isa
    subj: shark
    obj: aquatic_animal
  mapping: 
    uid: name
    edge: 
      tag: rel
      parent: obj
      child: subj
      att: *
    vertex: 
      tag: org
      att: name
      att: