They need real-time information regarding what goods their plants have in finished, work-in-process, and material inventories.
( They ( ( need ( ( real-time information ) ( regarding ( what ( ( goods ( their plants ) ) ( have ( in ( finished ( , ( work-in-process ( , ( and ( material inventories ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP need) (NP (NP (JJ real-time) (NN information)) (PP (VBG regarding) (SBAR (WHNP (WP what)) (S (NP (NP (NNS goods)) (NP (PRP$ their) (NNS plants))) (VP (VBP have) (VP (PP (IN in) (NP (NNS finished) (, ,) (NNS work-in-process) (, ,) (CC and) (NN material) (NNS inventories)))))))))) (. .)))
Plants have been known to get this information one way or another.
( Plants ( ( have ( been ( known ( to ( get ( ( ( this ( information ( one way ) ) ) or ) another ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Plants)) (VP (VBP have) (VP (VBN been) (VP (VBN known) (S (VP (TO to) (VP (VB get) (NP (NP (DT this) (NN information) (CD one) (NN way)) (CC or) (NP (DT another))))))))) (. .)))