['he', 'decide', 'return', 'EmptyParameter', 'EmptyParameter'] ['he', 'return', 'investigate', 'ship', 'to']
['<PRP>', 'settle-36.1.2-1', 'convert-26.6.2', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'engender-27.1', 'investigate-35.4', "Synset('craft.n.02')", 'to']
So, he decides to return to the abandoned ship to investigate.
So, <PRP> decides to return to the abandoned Synset('craft.n.02') to investigate.