['character', 'shush', 'they', 'EmptyParameter', 'EmptyParameter']
["Synset('concept.n.01')", 'other_cos-45.4', '<PRP>', 'EmptyParameter', 'EmptyParameter']
A holographic character shushes them.
a Synset('holographic.a.02') Synset('concept.n.01') shushes <PRP>.