['she', 'prove', 'loyalty', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'indicate-78', "Synset('emotion.n.01')", 'EmptyParameter', 'EmptyParameter']
She could prove her loyalty by becoming his queen.
<PRP> could prove <PRP> Synset('emotion.n.01') by becoming <PRP> Synset('fossorial_mammal.n.01').