['Doctor', 'hear', 'EmptyParameter', 'emitter', 'of']
['<PERSON>1', 'discover-84-1-1', 'EmptyParameter', "Synset('conductor.n.04')", 'of']
The Doctor has not heard of his mobile emitter.
<PERSON>1 has not heard of <PRP> Synset('mobile.a.02') Synset('conductor.n.04').