['he', 'want', 'sleep', 'EmptyParameter', 'EmptyParameter'] ['he', 'sleep', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'want-32.1-1-1', 'snooze-40.4', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'snooze-40.4', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
He's tired, he wants to sleep.
He's tired, <PRP> wants to sleep.