( Amphibians ( ( ( ( have ( dual habitats ) ) , ) ( ( dividing ( their time ) ) ( between ( ( land and ) water ) ) ) ) . ) )
(ROOT (S (NP (NNS Amphibians)) (VP (VBP have) (NP (JJ dual) (NNS habitats)) (, ,) (S (VP (VBG dividing) (NP (PRP$ their) (NN time)) (PP (IN between) (NP (NN land) (CC and) (NN water)))))) (. .)))
Amphibians have dual habitats, dividing their time between land and water.
(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))))))))))) (. .)))