['lab', 'contain', 'equipment', 'EmptyParameter', 'EmptyParameter'] ['equipment', 'use', 'trap', 'alien', 'EmptyParameter'] ['they', 'die', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('geographic_point.n.01')", 'comprise-107.2-1', "Synset('artifact.n.01')", 'EmptyParameter', 'EmptyParameter'] ["Synset('artifact.n.01')", 'consume-66', "Synset('mechanism.n.05')", "Synset('entrant.n.03')", 'EmptyParameter'] ['<PRP>', 'die-42.4-1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
The lab contains the force field equipment which was used to intentionally trap the aliens, so that they would die.
<MISC>2 Synset('geographic_point.n.01') contains <MISC>2 Synset('natural_phenomenon.n.01') Synset('artifact.n.01') which was used to intentionally Synset('mechanism.n.05') <MISC>2 aliens, so that <PRP> would die.