['he', 'know', 'EmptyParameter', 'ambush', 'about']
['<PRP>', 'comprehend-87.2', 'EmptyParameter', "Synset('attack.n.01')", 'about']
He is her only way out of Devore space as only he knows about the ambush.
<PRP> is <PRP> only Synset('concept.n.01') out of <PERSON>0 Synset('extent.n.02') as only <PRP> knows about the Synset('attack.n.01').