['action', 'cause', 'accident', 'EmptyParameter', 'EmptyParameter']
["Synset('physical_entity.n.01')", 'engender-27.1', "Synset('event.n.01')", 'EmptyParameter', 'EmptyParameter']
Perhaps her action caused the accident.
perhaps <PRP> Synset('physical_entity.n.01') caused the Synset('event.n.01').