['engine', 'use', 'they', 'EmptyParameter', 'EmptyParameter']
["Synset('wheeled_vehicle.n.01')", 'use-105.1', '<PRP>', 'EmptyParameter', 'EmptyParameter']
With a bit of modification, the engines could use them.
with a Synset('tool.n.01') of modification, the Synset('wheeled_vehicle.n.01') could use <PRP>.