['they', 'proceed', 'walk', 'EmptyParameter', 'EmptyParameter'] ['they', 'walk', 'corridor', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'begin-55.1', 'run-51.3.2', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'run-51.3.2', "Synset('passage.n.03')", 'EmptyParameter', 'EmptyParameter']
They proceed to walk the corridors.
<PRP> proceed to walk the Synset('passage.n.03').