['she', 'gaze', 'EmptyParameter', 'horizon', 'at']
['<PRP>', 'peer-30.3', 'EmptyParameter', "Synset('location.n.01')", 'at']
She gazes nervously at its swirling event horizon.
<PRP> gazes nervously at <PRP> swirling Synset('natural_phenomenon.n.01') Synset('location.n.01').