( ( Shark meat ) ( ( has ( ( an ( unpleasant taste ) ) ( due ( to ( ( the presence ) ( of ( ( high concentrations ) ( of ( ( the ( waste ( product urea ) ) ) ( in ( the tissue ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN Shark) (NN meat)) (VP (VBZ has) (NP (NP (DT an) (JJ unpleasant) (NN taste)) (ADJP (JJ due) (PP (TO to) (NP (NP (DT the) (NN presence)) (PP (IN of) (NP (NP (JJ high) (NNS concentrations)) (PP (IN of) (NP (NP (DT the) (NN waste) (NN product) (NN urea)) (PP (IN in) (NP (DT the) (NN tissue)))))))))))) (. .)))
Shark meat has an unpleasant taste due to the presence of high concentrations of the waste product urea in the tissue.
(ROOT (S (NP (NNS Animals)) (VP (MD can) (VP (VP (VB transport) (NP (NP (DT the) (NN waste) (NN material)) (VP (VBN known) (PP (IN as) (NP (NP (NN urea)) (PP (IN in) (NP (DT the) (JJ circulatory) (NN system)))))))) (CC and) (VP (VB store) (NP (PRP it)) (ADVP (RB safely)) (PP (IN at) (NP (JJ high) (NNS concentrations)))))) (. .)))