['he', 'ask', 'EmptyParameter', 'doctor', 'about'] ['doctor', 'serve', 'EmptyParameter', 'officer', 'as']
['<PRP>', 'urge-58.1', 'EmptyParameter', '<PERSON>2', 'about'] ['<PERSON>2', 'masquerade-29.6', 'EmptyParameter', '<PERSON>3', 'as']
He asks about The Doctor, their EMH, who served as the ship's chief medical officer.
<PRP> asks about <PERSON>2 Doctor, <PRP> EMH, who served as <PERSON>2 ship's <PERSON>3.