['he', 'change', 'cell', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'exchange-13.6.1', "Synset('unit.n.03')", 'EmptyParameter', 'EmptyParameter']
He changes the power cell, inadvertently scaring them.
<PRP> changes the Synset('political_unit.n.01') cell, inadvertently scaring <PRP>.