['officer', 'activate', 'field', 'EmptyParameter', 'EmptyParameter']
["Synset('defender.n.01')", 'other_cos-45.4', "Synset('natural_phenomenon.n.01')", 'EmptyParameter', 'EmptyParameter']
The officer activates the cell entrance's force field, sealing him inside.
the Synset('defender.n.01') activates the Synset('unit.n.03') entrance's Synset('out.n.01') field, sealing <PRP> inside.