['he', 'feel', 'sorry', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'hunt-35.1', "Synset('regretful.a.01')", 'EmptyParameter', 'EmptyParameter']
He feels sorry the situation is so bleak.
<PRP> feels Synset('regretful.a.01') the Synset('attribute.n.02') is so bleak.