( Ph ( ( ( is ( ( a measure ) ( of ( ( ( ( the degree ) ( of ( the acidity ) ) ) or ) ( ( the alkalinity ) ( of ( a solution ) ) ) ) ) ) ) ( as ( measured ( on ( ( a scale ) ( of ( 0 ( to 14 ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Ph)) (VP (VBZ is) (NP (NP (DT a) (NN measure)) (PP (IN of) (NP (NP (NP (DT the) (NN degree)) (PP (IN of) (NP (DT the) (NN acidity)))) (CC or) (NP (NP (DT the) (NN alkalinity)) (PP (IN of) (NP (DT a) (NN solution))))))) (SBAR (IN as) (S (VP (VBN measured) (PP (IN on) (NP (NP (DT a) (NN scale)) (PP (IN of) (NP (CD 0) (TO to) (CD 14))))))))) (. .)))
Ph is a measure of the degree of the acidity or the alkalinity of a solution as measured on a scale of 0 to 14.
(ROOT (S (NP (DT The) (NN ph) (NN scale)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (ADVP (RB succinctly)) (VB communicate) (NP (NP (DT the) (NN acidity) (CC or) (NN basicity)) (PP (IN of) (NP (DT a) (NN solution))))))))) (. .)))