['they', 'hear', 'more', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'see-30.1', "Synset('more.a.02')", 'EmptyParameter', 'EmptyParameter']
They can hear more of the vast musical selection available to the crew.
<PRP> can hear Synset('more.a.02') of the vast Synset('musical.a.03') Synset('process.n.06') Synset('available.a.01') to the Synset('unit.n.03').