( ( ( The brain ) ( in ( ( a nutshell ) ( The brain ) ) ) ) ( ( ( ( is ( the ( nerve center ) ) ) and ) ( is ( by ( ( far ( the ( ( most complex ) organ ) ) ) ( in ( the ( human body ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN brain)) (PP (IN in) (NP (NP (DT a) (NN nutshell)) (NP (DT The) (NN brain))))) (VP (VP (VBZ is) (NP (DT the) (NN nerve) (NN center))) (CC and) (VP (VBZ is) (PP (IN by) (NP (NP (RB far) (DT the) (ADJP (RBS most) (JJ complex)) (NN organ)) (PP (IN in) (NP (DT the) (JJ human) (NN body))))))) (. .)))
The brain in a nutshell The brain is the nerve center and is by far the most complex organ in the human body.
(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))))) (. .)))