['he', 'activate', 'reactor', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'other_cos-45.4', "Synset('equipment.n.01')", 'EmptyParameter', 'EmptyParameter']
He then activates the reactor, pinning the rest of the aliens into one corner.
<PRP> then activates the reactor, pinning the Synset('notation.n.01') of the Synset('imaginary_being.n.01') into one Synset('artifact.n.01').