['ship', 'explode', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('craft.n.02')", 'other_cos-45.4', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
One of the drone ships explode.
one of the <VESSEL>0 Synset('craft.n.02') explode.