['she', 'want', 'he', 'EmptyParameter', 'EmptyParameter'] ['he', 'keep', 'Klingons', 'she', 'off']
['<PRP>', 'want-32.1-1-1', '<PRP>', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'keep-15.2', '<ORGANIZATION>3', '<PRP>', 'off']
She merely wants him to keep the Klingons off her.
<PRP> merely wants <PRP> to keep the <ORGANIZATION>3 off <PRP>.