['ship', 'scan', 'perimeter', 'EmptyParameter', 'EmptyParameter'] ['other', 'drive', 'they', 'EmptyParameter', 'EmptyParameter']
["Synset('craft.n.02')", 'assessment-34.1', "Synset('line.n.04')", 'EmptyParameter', 'EmptyParameter'] ["Synset('other.a.01')", 'drive-11.5', '<PRP>', 'EmptyParameter', 'EmptyParameter']
One ship scans the perimeter, the other will drive them out.
one Synset('craft.n.02') scans the perimeter, the Synset('other.a.01') will drive <PRP> out.