['they', 'want', 'kill', 'EmptyParameter', 'EmptyParameter'] ['they', 'kill', 'witness', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'want-32.1-1-1', 'murder-42.1', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'murder-42.1', "Synset('person.n.01')", 'EmptyParameter', 'EmptyParameter']
They want to kill all witnesses.
<PRP> want to kill all Synset('person.n.01').