['he', 'find', 'unworkable', 'EmptyParameter', 'EmptyParameter'] ['he', 'do', 'best', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'discover-84', 'unworkable', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'act-114', "Synset('best.a.01')", 'EmptyParameter', 'EmptyParameter']
He finds their primitive technology almost unworkable, but does the best.
<PRP> finds <PRP> primitive Synset('use.n.01') almost unworkable, but does the Synset('best.a.01').