['he', 'see', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'discover-84', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
It's the most sophisticated example of biomechanical engineering he's ever seen.
It's the most Synset('sophisticated.a.01') Synset('cognition.n.01') of biomechanical Synset('use.n.01') he's ever seen.