['he', 'go', 'EmptyParameter', 'window', 'to'] ['he', 'see', 'EmptyParameter', 'remains', 'EmptyParameter']
['<PRP>', 'escape-51.1-1', 'EmptyParameter', "Synset('supporting_structure.n.01')", 'to'] ['<PRP>', 'comprehend-87.2-1-1', 'EmptyParameter', "Synset('natural_object.n.01')", 'EmptyParameter']
He goes to a window, and is thunderstruck to see what are clearly the remains of an alien vessel.
<PRP> goes to a window, and is thunderstruck to see what are clearly the Synset('natural_object.n.01') of an alien Synset('instrumentality.n.03').