As a result, product proliferation represents a shift in the curve relating sales volume and variability (see Figure 7.4).
( ( As ( a result ) ) ( , ( ( product proliferation ) ( ( ( represents ( ( a shift ) ( in ( ( the curve ) ( relating ( sales ( ( volume and ) variability ) ) ) ) ) ) ) ( -LRB- ( ( see ( Figure 7.4 ) ) -RRB- ) ) ) . ) ) ) )
(ROOT (S (PP (IN As) (NP (DT a) (NN result))) (, ,) (NP (NN product) (NN proliferation)) (VP (VBZ represents) (NP (NP (DT a) (NN shift)) (PP (IN in) (NP (NP (DT the) (NN curve)) (VP (VBG relating) (NP (JJ sales) (NN volume) (CC and) (NN variability)))))) (PRN (-LRB- -LRB-) (S (VP (VB see) (NP (NNP Figure) (CD 7.4)))) (-RRB- -RRB-))) (. .)))
Sales volume and variability can be represented on a graph.
( ( ( ( Sales volume ) and ) variability ) ( ( can ( be ( represented ( on ( a graph ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Sales) (NN volume)) (CC and) (NP (NN variability))) (VP (MD can) (VP (VB be) (VP (VBN represented) (PP (IN on) (NP (DT a) (NN graph)))))) (. .)))