['they', 'hunt', 'he', 'EmptyParameter', 'EmptyParameter'] ['they', 'hunt', 'kind', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'hunt-35.1', '<PRP>', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'hunt-35.1', "Synset('concept.n.01')", 'EmptyParameter', 'EmptyParameter']
They had once hunted him and his kind.
<PRP> had once hunted <PRP> and <PRP> Synset('concept.n.01').