['they', 'try', 'kill', 'EmptyParameter', 'EmptyParameter'] ['they', 'kill', 'Vulcans', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'try-61.1', 'pain-40.8.1', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'pain-40.8.1', '<ORGANIZATION>3', 'EmptyParameter', 'EmptyParameter']
They were trying to kill the Vulcans.
<PRP> were trying to kill the <ORGANIZATION>3.