['she', 'speak', 'EmptyParameter', 'traveler', 'to']
['<PRP>', 'lecture-37.11-1', 'EmptyParameter', "Synset('causal_agent.n.01')", 'to']
She must speak to the time traveler, who is currently unconscious.
<PRP> must speak to the Synset('time_period.n.01') traveler, who is currently Synset('unconscious.a.01').