( ( ( ( ( ( ( ( ( pH ( Pure water ) ) , ) ( which ( is neutral ) ) ) , ) ( has ( ( a ( pH value ) ) ( of 7 ) ) ) ) , ) and ) ( ( values ( ( ( above or ) below ) 7 ) ) ( ( ( indicate ( ( alkalinity and ) acidity ) ) , ) respectively ) ) ) . )
(ROOT (S (S (NP (NP (NN pH) (NN Pure) (NN water)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (ADJP (JJ neutral))))) (, ,)) (VP (VBZ has) (NP (NP (DT a) (NN pH) (NN value)) (PP (IN of) (NP (CD 7)))))) (, ,) (CC and) (S (NP (NP (NNS values)) (PP (IN above) (CC or) (IN below) (NP (CD 7)))) (VP (VBP indicate) (ADJP (JJ alkalinity) (CC and) (JJ acidity)) (, ,) (ADVP (RB respectively)))) (. .)))
pH Pure water, which is neutral , has a pH value of 7, and values above or below 7 indicate alkalinity and acidity, respectively.
(ROOT (S (NP (CD 7)) (VP (VBZ is) (NP (NP (DT the) (NN ph)) (PP (IN of) (NP (JJ pure) (NN water))))) (. .)))