['he', 'amaze', 'EmptyParameter', 'threshold', 'by']
['<PRP>', 'amuse-31.1', 'EmptyParameter', "Synset('perception.n.03')", 'by']
He is amazed by Archer's pain threshold.
<PRP> is amazed by Archer's Synset('unwelcome_person.n.01') Synset('perception.n.03').