Customers rarely inform the sales clerk in a typical retail store if a desired product is out of stock; they either buy a different product or leave the store without making a purchase.
( ( ( ( Customers ( rarely ( ( inform ( ( the ( sales clerk ) ) ( in ( a ( typical ( retail store ) ) ) ) ) ) ( if ( ( a ( desired product ) ) ( ( is out ) ( of stock ) ) ) ) ) ) ) ; ) ( they ( either ( ( ( buy ( a ( different product ) ) ) or ) ( ( leave ( the store ) ) ( without ( making ( a purchase ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNS Customers)) (ADVP (RB rarely)) (VP (VB inform) (NP (NP (DT the) (NNS sales) (NN clerk)) (PP (IN in) (NP (DT a) (JJ typical) (JJ retail) (NN store)))) (SBAR (IN if) (S (NP (DT a) (VBN desired) (NN product)) (VP (VBZ is) (ADVP (RB out)) (PP (IN of) (NP (NN stock)))))))) (: ;) (S (NP (PRP they)) (ADVP (RB either)) (VP (VP (VB buy) (NP (DT a) (JJ different) (NN product))) (CC or) (VP (VB leave) (NP (DT the) (NN store)) (PP (IN without) (S (VP (VBG making) (NP (DT a) (NN purchase)))))))) (. .)))
Customers don't want to take the time that is necessary to alert a clerk to the stock outage.
( Customers ( ( ( do n't ) ( want ( to ( take ( ( the time ) ( that ( is ( necessary ( to ( ( alert ( a clerk ) ) ( to ( the ( stock outage ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Customers)) (VP (VBP do) (RB n't) (VP (VB want) (S (VP (TO to) (VP (VB take) (NP (NP (DT the) (NN time)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (JJ necessary) (S (VP (TO to) (VP (VB alert) (NP (DT a) (NN clerk)) (PP (TO to) (NP (DT the) (NN stock) (NN outage)))))))))))))))) (. .)))