['he', 'give', 'it', 'they', 'to'] ['they', 'reach', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'conduct-111.1', '<PRP>', '<PRP>', 'to'] ['<PRP>', 'reach-51.8', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
He will give it to them when they reach.
<PRP> will give <PRP> to <PRP> when <PRP> reach.