['they', 'clear', 'proceed', 'EmptyParameter', 'EmptyParameter'] ['they', 'proceed', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'clear-10.3-1', 'begin-55.1', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'begin-55.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
They are cleared to proceed.
<PRP> are cleared to proceed.