['he', 'realize', 'reason', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'comprehend-87.2', "Synset('ability.n.02')", 'EmptyParameter', 'EmptyParameter']
He quickly realizes the true reason.
<PRP> quickly realizes the Synset('truthful.a.01') Synset('ability.n.02').