['species', 'go', 'destroy', 'EmptyParameter', 'EmptyParameter'] ['species', 'destroy', 'they', 'EmptyParameter', 'EmptyParameter'] ['they', 'act', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('category.n.02')", 'escape-51.1-1', 'destroy-44', 'EmptyParameter', 'EmptyParameter'] ["Synset('category.n.02')", 'destroy-44', '<PRP>', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'act-114-1-1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
A ruthless alien species is going to destroy them if they don't act.
a ruthless alien Synset('category.n.02') is going to destroy <PRP> if <PRP> don't act.