['they', 'study', 'implant', 'EmptyParameter', 'EmptyParameter'] ['they', 'study', 'prosthetic', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'assessment-34.1', "Synset('corrective.n.01')", 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'assessment-34.1', 'prosthetic', 'EmptyParameter', 'EmptyParameter']
They study their implants and prosthetics.
<PRP> study <PRP> Synset('corrective.n.01') and prosthetic.