['they', 'realize', 'EmptyParameter', 'lifeform', 'EmptyParameter'] ['lifeform', 'come', 'EmptyParameter', 'nebula', 'from']
['<PRP>', 'comprehend-87.2', 'EmptyParameter', 'lifeform', 'EmptyParameter'] ['lifeform', 'become-109.1-1', 'EmptyParameter', '<MISC>0', 'from']
They realized was actually a lifeform that had come from the nebula.
<PRP> realized was actually a lifeform that had come from the <MISC>0.