['she', 'understand', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['what', 'happen', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'comprehend-87.2', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['what', 'occur-48.3', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
She immediately understands what is happening.
<PRP> immediately understands what is happening.