['he', 'hide', 'torpedo', 'kilogram', 'EmptyParameter']
['<PRP>', 'concealment-16', "Synset('weaponry.n.01')", "Synset('mass_unit.n.01')", 'EmptyParameter']
He had already hidden two proton torpedoes among thousands of kilograms of ammonia-nitrate based explosives.
<PRP> had already hidden <NUMBER>0 Synset('baryon.n.01') Synset('weaponry.n.01') among Synset('integer.n.01') of Synset('mass_unit.n.01') of ammonia-nitrate based Synset('material.n.01').