( Liverworts ( ( may ( be ( ( ( the ( closest ( living relatives ) ) ) ( to ( ( ( ( ( these ( first ( vascular ( land plants ) ) ) ) , ) liverworts ) and ) ( the Charophytes ) ) ) ) ( being ( ( separate branches ) ( from ( green ( algal ancestors ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Liverworts)) (VP (MD may) (VP (VB be) (NP (NP (DT the) (JJS closest) (VBG living) (NNS relatives)) (PP (TO to) (NP (NP (DT these) (JJ first) (NN vascular) (NN land) (NNS plants)) (, ,) (NP (NNS liverworts)) (CC and) (NP (DT the) (NNPS Charophytes)))) (VP (VBG being) (VP (NP (JJ separate) (NNS branches)) (PP (IN from) (NP (JJ green) (JJ algal) (NNS ancestors)))))))) (. .)))
Liverworts may be the closest living relatives to these first  vascular land plants,         liverworts and the Charophytes being separate branches from green algal         ancestors.
(ROOT (S (NP (NNS Charophytes)) (VP (VBP are) (NP (NP (DT the) (JJS closest) (VBG living) (NNS relations)) (PP (TO to) (NP (NN land) (NNS plants))))) (. .)))