['he', 'do', 'everything', 'EmptyParameter', 'EmptyParameter'] ['he', 'have', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'act-114', 'everything', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'own-100', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
He did everything that he could have.
<PRP> did everything that <PRP> could have.