['they', 'rescue', 'crew', 'EmptyParameter', 'EmptyParameter'] ['they', 'rescue', 'not', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'steal-10.5', "Synset('unit.n.03')", 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'steal-10.5', 'not', 'EmptyParameter', 'EmptyParameter']
They should rescue the crew or not.
<PRP> should rescue the Synset('unit.n.03') or not.