We noted earlier that a retailer's decision about how much to stock depends on the demand forecast for the product, the level of product availability it wishes to provide to customers, the frequency with which it will place replenishment orders, and the lead time to acquire replenishment units.
( We ( ( ( noted earlier ) ( that ( ( ( ( a ( retailer 's ) ) decision ) ( about ( ( how much ) ( to stock ) ) ) ) ( depends ( on ( ( the ( demand forecast ) ) ( for ( ( ( the product ) , ) ( ( ( ( ( ( ( the level ) ( of ( ( product availability ) ( it ( wishes ( to ( provide ( to customers ) ) ) ) ) ) ) ) , ) ( ( the frequency ) ( ( with which ) ( it ( will ( place ( replenishment orders ) ) ) ) ) ) ) , ) and ) ( the ( lead ( time ( to ( acquire ( replenishment units ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBD noted) (ADVP (RBR earlier)) (SBAR (IN that) (S (NP (NP (NP (DT a) (NN retailer) (POS 's)) (NN decision)) (PP (IN about) (SBAR (WHNP (WRB how) (JJ much)) (S (VP (TO to) (VP (VB stock))))))) (VP (VBZ depends) (PP (IN on) (NP (NP (DT the) (NN demand) (NN forecast)) (PP (IN for) (NP (NP (DT the) (NN product)) (, ,) (NP (NP (NP (DT the) (NN level)) (PP (IN of) (NP (NP (NN product) (NN availability)) (SBAR (S (NP (PRP it)) (VP (VBZ wishes) (S (VP (TO to) (VP (VB provide) (PP (TO to) (NP (NNS customers)))))))))))) (, ,) (NP (NP (DT the) (NN frequency)) (SBAR (WHPP (IN with) (WHNP (WDT which))) (S (NP (PRP it)) (VP (MD will) (VP (VB place) (NP (JJ replenishment) (NNS orders))))))) (, ,) (CC and) (NP (DT the) (JJ lead) (NN time) (S (VP (TO to) (VP (VB acquire) (NP (JJ replenishment) (NNS units))))))))))))))) (. .)))
Customer demand does not matter when making stock decisions, they will just by something else. 
( ( Customer demand ) ( ( ( does not ) ( matter ( when ( ( making ( stock decisions ) ) ( , ( they ( will ( just ( by ( something else ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN Customer) (NN demand)) (VP (VBZ does) (RB not) (VP (VB matter) (SBAR (WHADVP (WRB when)) (S (S (VP (VBG making) (NP (NN stock) (NNS decisions)))) (, ,) (NP (PRP they)) (VP (MD will) (VP (ADVP (RB just)) (PP (IN by) (NP (NN something) (RB else))))))))) (. .)))