['they', 'screen', 'candidate', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'concealment-16', "Synset('causal_agent.n.01')", 'EmptyParameter', 'EmptyParameter']
They always screen their future candidates.
<PRP> always screen <PRP> Synset('future.a.04') Synset('causal_agent.n.01').