['he', 'get', 'datum', 'box', 'from']
['<PRP>', 'comprehend-87.2-1', '<PERSON>13', "Synset('difficulty.n.03')", 'from']
He was unable to get data from the black box.
<PRP> was Synset('unable.a.01') to get <PERSON>13 from the Synset('black.a.01') Synset('difficulty.n.03').