sentence1_binary_parse: ( ( ( ( ( pH ( is ( ( the ( hydrogen ( ion concentration ) ) ) ( to ( the ( log 10 ) ) ) ) ) ) , ) and ) ( this ( is ( ( the basis ) ( of ( calculation ( of ( ( the ( pH scale ) ) ( from ( ( 1 to ) 14 ) ) ) ) ) ) ) ) ) ) . )
sentence1_parse: (ROOT (S (S (NP (NN pH)) (VP (VBZ is) (NP (NP (DT the) (NN hydrogen) (NN ion) (NN concentration)) (PP (TO to) (NP (DT the) (NN log) (CD 10)))))) (, ,) (CC and) (S (NP (DT this)) (VP (VBZ is) (NP (NP (DT the) (NN basis)) (PP (IN of) (NP (NP (NN calculation)) (PP (IN of) (NP (NP (DT the) (NN pH) (NN scale)) (PP (IN from) (NP (QP (CD 1) (TO to) (CD 14))))))))))) (. .)))
sentence1: pH is the hydrogen ion concentration to the log 10 , and this is the basis of calculation of the pH scale from 1 to 14.
sentence2_parse: (ROOT (S (NP (NP (DT The) (NN concentration)) (PP (IN of) (NP (NP (DT the) (NN hydrogen) (NN ion)) (PP (IN in) (NP (DT a) (NN solution)))))) (VP (MD can) (VP (VB be) (VP (VBN calculated) (SBAR (WHADVP (WRB when)) (S (NP (DT the) (NN ph)) (VP (VBZ is) (VP (VBN known)))))))) (. .)))
sentence2: The concentration of the hydrogen ion in a solution can be calculated when the ph is known.