['tpol', 'know', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['Daniels', 'refer', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PERSON>7', 'comprehend-87.2', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PERSON>16', 'contribute-13.2', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
Tpol doesn't know to whom Daniels is referring.
<PERSON>7 doesn't know to whom <PERSON>16 is referring.