['he', 'see', 'doctor', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'see-30.1-1-1', '<PERSON>0', 'EmptyParameter', 'EmptyParameter']
He first must see The Doctor for a medical evaluation.
<PRP> <ORDINAL>0 must see <PERSON>0 for a Synset('medical.a.02') Synset('classification.n.03').