['they', 'hear', 'ship', 'EmptyParameter', 'EmptyParameter'] ['they', 'bury', 'themselves', 'sand', 'in']
['<PRP>', 'discover-84', "Synset('craft.n.02')", 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'put-9.1-1', '<PRP>', "Synset('sand.n.02')", 'in']
They hear a ship and bury themselves in the sand to hide from it.
<PRP> hear a Synset('craft.n.02') and bury <PRP> in the Synset('sand.n.02') to hide from <PRP>.