['he', 'inform', 'engineer', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'tell-37.2', "Synset('causal_agent.n.01')", 'EmptyParameter', 'EmptyParameter']
There, he informs his engineer of his plan.
There, <PRP> informs <PRP> Synset('causal_agent.n.01') of <PRP> Synset('representation.n.02').