['he', 'bore', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['he', 'amuse', 'himself', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'amuse-31.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'amuse-31.1', '<PRP>', 'EmptyParameter', 'EmptyParameter']
He is bored and will amuse himself.
<PRP> is bored and will amuse <PRP>.