['he', 'know', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['doctor', 'be', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'comprehend-87.2', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PERSON>0', 'seem-109', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
He knows what The Doctor has been up to.
<PRP> knows what <PERSON>0 has been up to.