['he', 'erase', 'database', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'wipe_manner-10.4.1', "Synset('message.n.02')", 'EmptyParameter', 'EmptyParameter']
He can erase his medical database.
<PRP> can erase <PRP> Synset('medical.a.02') Synset('message.n.02').