['she', 'need', 'put', 'EmptyParameter', 'EmptyParameter'] ['she', 'put', 'this', 'she', 'behind']
['<PRP>', 'require-103-2', 'put-9.1-2', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'put-9.1-2', 'this', '<PRP>', 'behind']
She needs to put this behind her.
<PRP> needs to put this behind <PRP>.