['he', 'hear', 'noise', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'discover-84', "Synset('quality.n.01')", 'EmptyParameter', 'EmptyParameter']
In engineering, he notices some odd things and hears noises, hiding himself afterwards.
in engineering, <PRP> Synset('communication.n.02') some Synset('odd.a.01') Synset('entity.n.01') and hears noises, hiding <PRP> afterwards.