( pH ( ( is ( ( ( measured ( on ( a ( 14 ( point scale ) ) ) ) ) ( with 7 ) ) ( being neutral ) ) ) . ) )
(ROOT (S (NP (NN pH)) (VP (VBZ is) (VP (VBN measured) (PP (IN on) (NP (DT a) (CD 14) (NN point) (NN scale))) (PP (IN with) (NP (CD 7))) (S (VP (VBG being) (ADJP (JJ neutral)))))) (. .)))
pH is measured on a 14 point scale with 7 being neutral.
(ROOT (S (NP (NNP Water)) (VP (VBZ is) (PP (IN at) (NP (NP (DT the) (NN neutrality)) (, ,) (NP (NP (CD 7) (NN point)) (PP (IN on) (NP (DT the) (NN ph) (NN scale))))))) (. .)))