['he', 'find', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['who', 'win', 'Series', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'declare-29.4', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['who', 'get-13.5.1', '<MISC>1', 'EmptyParameter', 'EmptyParameter']
He never found out who won the World Series.
<PRP> never found out who won the <MISC>1.