['they', 'attempt', 'restore', 'EmptyParameter', 'EmptyParameter'] ['they', 'restore', 'they', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'try-61.1', 'contribute-13.2', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'contribute-13.2', '<PRP>', 'EmptyParameter', 'EmptyParameter']
They attempt to restore them.
<PRP> attempt to restore <PRP>.