['he', 'do', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['what', 'save', 'world', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'act-114', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['what', 'get-13.5.1', "Synset('interest.n.01')", 'EmptyParameter', 'EmptyParameter']
He did what was necessary to save this world.
<PRP> did what was Synset('necessary.a.01') to save this Synset('interest.n.01').