['they', 'want', 'know', 'EmptyParameter', 'EmptyParameter'] ['they', 'know', 'gender', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'want-32.1-1-1', 'comprehend-87.2', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'comprehend-87.2', "Synset('bodily_property.n.01')", 'EmptyParameter', 'EmptyParameter']
They don't want to know the baby's gender ahead of time.
<PRP> don't want to know the baby's Synset('bodily_property.n.01') ahead of Synset('abstraction.n.06').