['sentiment', 'heighten', 'EmptyParameter', 'attack', 'since']
["Synset('state.n.02')", 'other_cos-45.4', 'EmptyParameter', "Synset('process.n.06')", 'since']
Will stir anti-alien sentiments which have been heightened since the Xindi attack the year before.
will stir anti-alien Synset('state.n.02') which have been heightened since <DATE>0 <PERSON>12 Synset('process.n.06') <DATE>0.