['it', 'turn', 'Grat', 'EmptyParameter', 'from'] ['Grat', 'use', 'communicator', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'turn-26.6.1-1', '<PERSON>2', 'EmptyParameter', 'from'] ['<PERSON>2', 'use-105.1', "Synset('causal_agent.n.01')", 'EmptyParameter', 'EmptyParameter']
It turns out to be from Colonel Grat who is using Travis's communicator.
<PRP> turns out to be from <MISC>0 <PERSON>2 who is using Travis's Synset('causal_agent.n.01').