['he', 'know', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['he', 'declare', 'doctor', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'comprehend-87.2', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'declare-29.4-1-1-1', '<PERSON>0', 'EmptyParameter', 'EmptyParameter']
He knows but is unwilling to declare The Doctor a 'person' at the moment.
<PRP> knows but is Synset('unwilling.a.01') to declare <PERSON>0 a 'person' at <PERSON>0 Synset('datum.n.01').