( ( The brain ) ( ( is ( ( ( ( the ( ( ( ( most complex ) and ) ( least understood ) ) organ ) ) ( in ( the body ) ) ) , ) ( resulting ( in ( ( ( modeling ( the brain ) ) ( as ( ( a whole ) ( virtually impossible ) ) ) ) ( with ( current technology ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN brain)) (VP (VBZ is) (NP (NP (DT the) (ADJP (ADJP (RBS most) (JJ complex)) (CC and) (ADJP (RBS least) (JJ understood))) (NN organ)) (PP (IN in) (NP (DT the) (NN body))) (, ,) (VP (VBG resulting) (PP (IN in) (S (VP (VBG modeling) (NP (DT the) (NN brain)) (PP (IN as) (NP (NP (DT a) (NN whole)) (ADJP (RB virtually) (JJ impossible)))) (PP (IN with) (NP (JJ current) (NN technology))))))))) (. .)))
The brain is the most complex and least understood organ in the body, resulting in modeling the brain as a whole virtually impossible with current technology.
(ROOT (S (NP (DT The) (NN brain)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ complex)) (NN organ)) (PP (IN in) (NP (DT the) (JJ human) (NN body))))) (. .)))