['they', 'wait', 'time', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'exist-47.1', "Synset('time_period.n.01')", 'EmptyParameter', 'EmptyParameter']
They wait because now is not the time.
<PRP> wait because <DATE>0 is not the Synset('time_period.n.01').