( ( The Brain ) ( ( Is ( ( The ( Most ( Complex Organ ) ) ) ( ( In ( The ( Human Body ) ) ) ( ( ( ( About 3 ) pounds ) ( -LRB- ( or ( ( ( 2 % ) ( of ( body weight ) ) ) -RRB- ) ) ) ) ( Consumes ( about ( ( 20-30 % ) ( of ( ( ( the ( body 's ) ) energy ) ( -LRB- ( ( this ( means ( it ( uses ( about ( ( 20-30 % ) ( of ( ( the calories ) ( you eat ) ) ) ) ) ) ) ) ) -RRB- ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Brain)) (VP (VBZ Is) (NP (NP (DT The) (JJS Most) (JJ Complex) (NN Organ)) (SBAR (S (PP (IN In) (NP (DT The) (NNP Human) (NN Body))) (NP (NP (QP (RB About) (CD 3)) (NNS pounds)) (PRN (-LRB- -LRB-) (CC or) (NP (NP (CD 2) (NN %)) (PP (IN of) (NP (NN body) (NN weight)))) (-RRB- -RRB-))) (VP (VBZ Consumes) (PP (IN about) (NP (NP (CD 20-30) (NN %)) (PP (IN of) (NP (NP (NP (DT the) (NN body) (POS 's)) (NN energy)) (PRN (-LRB- -LRB-) (S (NP (DT this)) (VP (VBZ means) (SBAR (S (NP (PRP it)) (VP (VBZ uses) (PP (IN about) (NP (NP (CD 20-30) (NN %)) (PP (IN of) (NP (NP (DT the) (NNS calories)) (SBAR (S (NP (PRP you)) (VP (VBP eat))))))))))))) (-RRB- -RRB-))))))))))) (. .)))
The Brain Is The Most Complex Organ In The Human Body About 3 pounds (or 2% of body weight) Consumes about 20-30% of the body's energy (this means it uses about 20-30% of the calories you eat).
(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))))) (. .)))