['father', 'try', 'speak', 'EmptyParameter', 'EmptyParameter'] ['father', 'speak', 'EmptyParameter', 'he', 'to']
["Synset('genitor.n.01')", 'try-61.1', 'lecture-37.11-1', 'EmptyParameter', 'EmptyParameter'] ["Synset('genitor.n.01')", 'lecture-37.11-1', 'EmptyParameter', '<PRP>', 'to']
His father tries to speak to him.
<PRP> Synset('genitor.n.01') tries to speak to <PRP>.