['they', 'cause', 'destruction', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'act-114', "Synset('happening.n.01')", 'EmptyParameter', 'EmptyParameter']
They can cause the destruction of the Xindi planet.
<PRP> can cause the Synset('happening.n.01') of the <PERSON>9 Synset('natural_object.n.01').