['Archer', 'notify', 'he', 'EmptyParameter', 'EmptyParameter']
['<PERSON>0', 'tell-37.2', '<PRP>', 'EmptyParameter', 'EmptyParameter']
Once there, Archer notifies him of a potential problem in engineering.
once there, <PERSON>0 notifies <PRP> of a Synset('potential.a.01') Synset('cognitive_factor.n.01') in Synset('area.n.05').