Determining the degree to which a supplier benefits from its technological investments is the real issue.
( ( Determining ( ( the degree ) ( ( to which ) ( ( a supplier ) ( benefits ( from ( its ( technological investments ) ) ) ) ) ) ) ) ( ( is ( the ( real issue ) ) ) . ) )
(ROOT (S (S (VP (VBG Determining) (NP (NP (DT the) (NN degree)) (SBAR (WHPP (TO to) (WHNP (WDT which))) (S (NP (DT a) (NN supplier)) (VP (VBZ benefits) (PP (IN from) (NP (PRP$ its) (JJ technological) (NNS investments))))))))) (VP (VBZ is) (NP (DT the) (JJ real) (NN issue))) (. .)))
The extent of the benefits of technological investments has been more difficult to quantify.
( ( ( The extent ) ( of ( ( the benefits ) ( of ( technological investments ) ) ) ) ) ( ( has ( been ( more ( difficult ( to quantify ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN extent)) (PP (IN of) (NP (NP (DT the) (NNS benefits)) (PP (IN of) (NP (JJ technological) (NNS investments)))))) (VP (VBZ has) (VP (VBN been) (ADJP (RBR more) (JJ difficult) (S (VP (TO to) (VP (VB quantify))))))) (. .)))