['they', 'have', 'separate', 'EmptyParameter', 'EmptyParameter'] ['they', 'separate', 'themselves', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'own-100', 'separate-23.1-2', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'separate-23.1-2', '<PRP>', 'EmptyParameter', 'EmptyParameter']
They would have to separate themselves from each other.
<PRP> would have to separate <PRP> from each Synset('other.a.01').