['he', 'inform', 'Boothby', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'tell-37.2', '<PERSON>5', 'EmptyParameter', 'EmptyParameter']
He informs Boothby of Voyager's approach.
<PRP> informs <PERSON>5 of Voyager's Synset('proposal.n.01').