['density', 'increase', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['they', 'decide', 'fire', 'EmptyParameter', 'EmptyParameter'] ['they', 'fire', 'charge', 'EmptyParameter', 'EmptyParameter']
["Synset('placement.n.01')", 'other_cos-45.4', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'settle-36.1.2', 'fire-10.10', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'fire-10.10', "Synset('speech_act.n.01')", 'EmptyParameter', 'EmptyParameter']
The particle density of the dark matter has increased, so they decide to fire the last two charges.
the Synset('word.n.01') Synset('placement.n.01') of the Synset('dark.a.02') Synset('entity.n.01') has increased, so <PRP> decide to fire the <DATE>4 Synset('speech_act.n.01').