( ( The ( kidneys ( filter chemical ) ) ) ( ( wastes ( from ( ( ( ( ( ( ( ( the ( blood ( to ( form urine ) ) ) ) , ) ( ( a solution ) ( containing ammonia ) ) ) , ) ( ions ( such ( as salts ) ) ) ) , ) and ) water ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS kidneys) (NN filter) (NN chemical)) (VP (VBZ wastes) (PP (IN from) (NP (NP (DT the) (NN blood) (S (VP (TO to) (VP (VB form) (NP (NN urine)))))) (, ,) (NP (NP (DT a) (NN solution)) (VP (VBG containing) (NP (NN ammonia)))) (, ,) (NP (NP (NNS ions)) (PP (JJ such) (IN as) (NP (NNS salts)))) (, ,) (CC and) (NP (NN water))))) (. .)))
The kidneys filter chemical wastes from the blood to form urine, a solution containing ammonia, ions such as salts, and water.
(ROOT (S (NP (NNP Urine)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (JJ liquid) (NN waste)) (VP (VBN formed) (PP (IN by) (NP (NNS kidneys)))))))) (. .)))