['they', 'find', 'answer', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'declare-29.4', "Synset('statement.n.01')", 'EmptyParameter', 'EmptyParameter']
They'll find the answers to the mystery of its origin.
They'll find the Synset('statement.n.01') to the Synset('fiction.n.01') of <PRP> Synset('natural_process.n.01').