( Frogs ( ( are ( ( ( ( ( cold ( blooded amphibians ) ) ( who ( ( live ( part ( of ( their lives ) ) ) ) ( in ( the water ) ) ) ) ) , ) and ) ( ( the ( other part ) ) ( on land ) ) ) ) . ) )
(ROOT (S (NP (NNS Frogs)) (VP (VBP are) (NP (NP (NP (JJ cold) (JJ blooded) (NNS amphibians)) (SBAR (WHNP (WP who)) (S (VP (VBP live) (NP (NP (NN part)) (PP (IN of) (NP (PRP$ their) (NNS lives)))) (PP (IN in) (NP (DT the) (NN water))))))) (, ,) (CC and) (NP (NP (DT the) (JJ other) (NN part)) (PP (IN on) (NP (NN land)))))) (. .)))
Frogs are cold blooded amphibians who live part of their lives in the water, and the other part on land.
(ROOT (S (NP (NNS Frogs)) (VP (VBP are) (VP (VBG amphibians) (NP (NP (DT that) (JJ live) (NN part)) (PP (IN of) (NP (NP (NP (DT the) (NN time)) (PP (IN in) (NP (JJ fresh) (NN water)))) (CC and) (NP (NP (JJ live) (NN rest)) (PP (IN of) (NP (NP (DT the) (NN time)) (PP (IN on) (NP (NN land))))))))))) (. .)))