['simulation', 'help', 'he', 'EmptyParameter', 'EmptyParameter']
["Synset('hypothesis.n.02')", 'help-72.1-1-1', '<PRP>', 'EmptyParameter', 'EmptyParameter']
He is unsure how the simulation will help him.
<PRP> is Synset('uncertain.a.01') how the Synset('hypothesis.n.02') will help <PRP>.