( Frogs ( ( are ( ( amphibians , ) ( animals ( that ( spend ( part ( of ( ( ( ( their lives ) ( in water ) ) and ) ( ( the remainder ) ( on land ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Frogs)) (VP (VBP are) (NP (NP (NNS amphibians)) (, ,) (NP (NP (NNS animals)) (SBAR (WHNP (WDT that)) (S (VP (VBP spend) (NP (NP (NN part)) (PP (IN of) (NP (NP (NP (PRP$ their) (NNS lives)) (PP (IN in) (NP (NN water)))) (CC and) (NP (NP (DT the) (NN remainder)) (PP (IN on) (NP (NN land))))))))))))) (. .)))
Frogs are amphibians, animals that spend part of their lives in water and the remainder 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))))))))))) (. .)))