['he', 'begin', 'autopsy', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'begin-55.1', "Synset('investigation.n.02')", 'EmptyParameter', 'EmptyParameter']
He is ready to begin his autopsy of the alien.
<PRP> is Synset('ready.a.01') to begin <PRP> Synset('investigation.n.02') of the Synset('imaginary_being.n.01').