It is based on a structure called `` the Trace , '' a dynamic processing structure made up of a network of units , which performs as the system 's working memory as well as the perceptual processing mechanism .
PRON AUX VERB ADP DET NOUN VERB `` DET PROPN , '' DET ADJ NOUN NOUN VERB ADP ADP DET NOUN ADP NOUN , DET VERB ADP DET NOUN PART NOUN NOUN ADV ADV ADP DET ADJ NOUN NOUN .