( ( The ash ) ( ( must ( be ( from ( ( local ( woody plants ) ) ( that ( have ( a ( high ( alkali content ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN ash)) (VP (MD must) (VP (VB be) (PP (IN from) (NP (NP (JJ local) (NN woody) (NNS plants)) (SBAR (WHNP (WDT that)) (S (VP (VBP have) (NP (DT a) (JJ high) (NN alkali) (NN content))))))))) (. .)))
The ash must be from local woody plants that have a high alkali content.
(ROOT (S (NP (DT The) (NN word) (NN alkali)) (VP (VBZ comes) (PP (IN from) (NP (DT the) (JJ arabic) (NN al-qili))) (, ,) (S (VP (VBG meaning) (`` ``) (NP (NP (NNS ashes)) (PP (IN of) (NP (NP (DT the) (JJ saltwort) (NN plant)) (PP (IN from) (NP (NN salt) (NNS marshes)))))) ('' '')))) (. .)))