['they', 'try', 'stop', 'EmptyParameter', 'EmptyParameter'] ['they', 'stop', 'he', 'force', 'by']
['<PRP>', 'try-61.1', 'forbid-64.4-1', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'forbid-64.4-1', '<PRP>', "Synset('out.n.01')", 'by']
They tried to stop him by force.
<PRP> tried to stop <PRP> by Synset('out.n.01').