['he', 'see', 'standing', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'discover-84', "Synset('database.n.01')", 'EmptyParameter', 'EmptyParameter']
He sees Sato and Tucker standing in the decon chamber, talking to each other.
<PRP> sees <PERSON>3 and <PERSON>2 Synset('database.n.01') in the <MISC>0 chamber, talking to each Synset('other.a.01').