( ( ( A substance ) ( with ( ( a pH ) ( of 14 ) ) ) ) ( ( indicates ( ( a ( ( ( ( -LRB- ( A -RRB- ) ) ( weak acid ) ) ( -LRB- ( B -RRB- ) ) ) ( strong ( acid ( -LRB- ( C -RRB- ) ) ) ) ) ) ( ( ( strong base ) ( -LRB- ( D -RRB- ) ) ) ( weak ( base 5 ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN substance)) (PP (IN with) (NP (NP (DT a) (NN pH)) (PP (IN of) (NP (CD 14)))))) (VP (VBZ indicates) (S (NP (DT a) (NP (NP (PRN (-LRB- -LRB-) (NP (NNP A)) (-RRB- -RRB-)) (JJ weak) (NN acid)) (PRN (-LRB- -LRB-) (NP (NNP B)) (-RRB- -RRB-))) (JJ strong) (NN acid) (PRN (-LRB- -LRB-) (NP (NNP C)) (-RRB- -RRB-))) (NP (NP (NP (JJ strong) (NN base)) (PRN (-LRB- -LRB-) (NP (NNP D)) (-RRB- -RRB-))) (ADJP (JJ weak) (NP (NN base) (CD 5)))))) (. .)))
A substance with a pH of 14 indicates a (A) weak acid (B) strong acid (C) strong base (D) weak base 5.
(ROOT (S (SBAR (IN If) (S (NP (DT a) (NN substance)) (VP (VBZ has) (NP (DT a) (NN ph) (NN value)) (NP (QP (JJR greater) (IN than) (CD 7)))))) (, ,) (NP (DT that)) (VP (VBZ indicates) (SBAR (IN that) (S (NP (PRP it)) (VP (VBZ is) (NP (NN base)))))) (. .)))
If a substance has a ph value greater than 7,that indicates that it is base.