['Doctor', 'ask', 'he', 'EmptyParameter', 'EmptyParameter'] ['what', 'happen', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PERSON>10', 'inquire-37.1.2', '<PRP>', 'EmptyParameter', 'EmptyParameter'] ['what', 'occur-48.3', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
The Doctor, unaware of the true nature of the man, asks him what happened.
<PERSON>10 Doctor, Synset('unaware.a.01') of <PERSON>10 Synset('truthful.a.01') Synset('attribute.n.02') of <PERSON>10 man, asks <PRP> what happened.