['they', 'go', 'EmptyParameter', 'front', 'to']
['<PRP>', 'occur-48.3', 'EmptyParameter', "Synset('point.n.02')", 'to']
They go back to the front of the cave.
<PRP> go back to the Synset('point.n.02') of the Synset('object.n.01').