['he', 'have', 'idea', 'EmptyParameter', 'EmptyParameter'] ['alien', 'be', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'own-100', "Synset('cognition.n.01')", 'EmptyParameter', 'EmptyParameter'] ["Synset('entrant.n.03')", 'representation-110.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
He has no idea who the aliens were.
<PRP> has no Synset('cognition.n.01') who the Synset('entrant.n.03') were.