['he', 'discover', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['she', 'explore', 'relationship', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'discover-84', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'investigate-35.4', "Synset('attribute.n.02')", 'EmptyParameter', 'EmptyParameter']
He discovered she had been exploring relationships with.
<PRP> discovered <PRP> had been exploring Synset('attribute.n.02') with.