( ( The kidneys ) ( ( filter ( blood ( and ( form urine ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS kidneys)) (VP (VBP filter) (NP (NN blood) (CC and) (NN form) (NN urine))) (. .)))
The kidneys filter blood and form urine.
(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)))))))) (. .)))