['they', 'object', 'EmptyParameter', 'human', 'to']
['<PRP>', 'complain-37.8', 'EmptyParameter', "Synset('primate.n.02')", 'to']
They had objected to Humans returning Klaang out of fears.
<PRP> had objected to Synset('primate.n.02') returning <LOCATION>3 out of Synset('feeling.n.01').