['he', 'see', 'man', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'discover-84', "Synset('abstraction.n.06')", 'EmptyParameter', 'EmptyParameter']
Then he sees the man reaching for something.
then <PRP> sees the Synset('abstraction.n.06') reaching for Synset('entity.n.01').