['he', 'believe', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['they', 'know', 'other', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'conjecture-29.5', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'comprehend-87.2', "Synset('other.a.01')", 'EmptyParameter', 'EmptyParameter']
He believes they know each other.
<PRP> believes <PRP> know each Synset('other.a.01').