['they', 'wait', 'explore', 'EmptyParameter', 'EmptyParameter'] ['they', 'explore', 'galaxy', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'exist-47.1', 'investigate-35.4', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'investigate-35.4', "Synset('group.n.01')", 'EmptyParameter', 'EmptyParameter']
They're waiting to explore the galaxy.
They're waiting to explore the Synset('group.n.01').