The first of two case studies illustrates how demand uncertainty affects a firm's target inventory levels.
( ( ( The first ) ( of ( two ( case studies ) ) ) ) ( ( illustrates ( how ( ( demand uncertainty ) ( affects ( ( a ( firm 's ) ) ( target ( inventory levels ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ first)) (PP (IN of) (NP (CD two) (NN case) (NNS studies)))) (VP (VBZ illustrates) (SBAR (WHADVP (WRB how)) (S (NP (NN demand) (NN uncertainty)) (VP (VBZ affects) (NP (NP (DT a) (NN firm) (POS 's)) (NN target) (NN inventory) (NNS levels)))))) (. .)))
The inventory levels fluctuate directly with demand uncertainty in a one to one ratio.
( ( The ( inventory levels ) ) ( ( ( ( fluctuate directly ) ( with ( ( demand uncertainty ) ( in ( a one ) ) ) ) ) ( to ( one ratio ) ) ) . ) )
(ROOT (S (NP (DT The) (NN inventory) (NNS levels)) (VP (VBP fluctuate) (ADVP (RB directly)) (PP (IN with) (NP (NP (NN demand) (NN uncertainty)) (PP (IN in) (NP (DT a) (NN one))))) (PP (TO to) (NP (CD one) (NN ratio)))) (. .)))