['lesson', 'have', 'painful', 'EmptyParameter', 'EmptyParameter']
["Synset('assignment.n.05')", 'own-100', "Synset('painful.a.01')", 'EmptyParameter', 'EmptyParameter']
Lesson has to be so painful for you.
Synset('assignment.n.05') has to be so Synset('painful.a.01') for <PRP>.