['he', 'hear', 'noise', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'discover-84', "Synset('sensation.n.01')", 'EmptyParameter', 'EmptyParameter']
Then he hears a scraping noise against the hull.
then <PRP> hears a scraping Synset('sensation.n.01') against the Synset('hull.n.03').