['Travers', 'hear', 'knock', 'EmptyParameter', 'EmptyParameter']
['<PERSON>14', 'discover-84', 'throw-17.1', 'EmptyParameter', 'EmptyParameter']
Alicia Travers hears a heavy knock on the door of her apartment.
<PERSON>14 hears a Synset('heavy.a.03') knock on the Synset('access.n.03') of <PRP> Synset('structure.n.01').