['she', 'use', 'part', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'use-105.1', "Synset('location.n.01')", 'EmptyParameter', 'EmptyParameter']
She used to be part of such atrocities herself.
<PRP> used to be Synset('location.n.01') of such Synset('maltreatment.n.01') <PRP>.