['what', 'happen', 'time', 'EmptyParameter', 'EmptyParameter']
['what', 'occur-48.3', "Synset('time_period.n.01')", 'EmptyParameter', 'EmptyParameter']
He is just a bit jumpy, especially considering what happened the last time.
<PRP> is just a Synset('tool.n.01') jumpy, especially considering what happened the Synset('last.a.02') Synset('time_period.n.01').