['he', 'know', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['Tucker', 'be', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'comprehend-87.2', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PERSON>4', 'seem-109', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
He still does not know where Tucker is.
<PRP> still does not know where <PERSON>4 is.