['they', 'inhabit', 'being', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'inhabit', "Synset('whole.n.02')", 'EmptyParameter', 'EmptyParameter']
It had been so long since they had inhabited physical beings.
<PRP> had been so long since <PRP> had inhabited Synset('physical.a.02') Synset('whole.n.02').