['they', 'see', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'comprehend-87.2-1-1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
In the last week, they have all seen what Humans can be at their worst.
in <DATE>1 week, <PRP> have all seen what Synset('primate.n.02') can be at <PRP> Synset('worst.a.01').