( ( ( ( Intermediary metabolism ) ( of ( organic matter ) ) ) ( in ( ( the ( the sediments ) ) ( of ( a ( eutrophic lake ) ) ) ) ) ) . )
(ROOT (NP (NP (JJ Intermediary) (NN metabolism)) (PP (IN of) (NP (JJ organic) (NN matter))) (PP (IN in) (NP (NP (DT the) (DT the) (NNS sediments)) (PP (IN of) (NP (DT a) (JJ eutrophic) (NN lake))))) (. .)))
Intermediary metabolism of organic matter in the the sediments of a eutrophic lake.
(ROOT (S (NP (NP (NNS Sediments)) (PP (IN in) (NP (JJ oligotrophic) (NNS lakes)))) (VP (VBP contain) (NP (NP (JJ large) (NNS amounts)) (PP (IN of) (NP (JJ decomposable) (JJ organic) (NN matter))))) (. .)))