['she', 'detect', 'ship', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'see-30.1', "Synset('craft.n.02')", 'EmptyParameter', 'EmptyParameter']
She detects the ship containing the unassimilated aliens.
<PRP> detects the Synset('craft.n.02') containing the unassimilated Synset('entrant.n.03').