( ( Pure ( deionized water ) ) ( ( has ( ( ( a pH ) ( of 7 ) ) ( which ( is neutral ) ) ) ) . ) )
(ROOT (S (NP (JJ Pure) (JJ deionized) (NN water)) (VP (VBZ has) (NP (NP (DT a) (NN pH)) (PP (IN of) (NP (CD 7))) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (ADJP (JJ neutral))))))) (. .)))
Pure deionized water has a pH of 7 which is neutral.
(ROOT (S (NP (CD 7)) (VP (VBZ is) (NP (NP (DT the) (NN ph)) (PP (IN of) (NP (JJ pure) (NN water))))) (. .)))