['he', 'discover', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'discover-84', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
The alien attacks him, knocking him unconscious and discovering.
the alien Synset('disapproval.n.02') him, knocking <PRP> Synset('unconscious.a.01') and discovering.