( ( The brain ) ( ( is ( ( the ( ( most complex ) organ ) ) ( of ( the body ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN brain)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ complex)) (NN organ)) (PP (IN of) (NP (DT the) (NN body))))) (. .)))
The brain is the most complex organ of the body.
(ROOT (S (NP (DT The) (NN brain)) (VP (VBZ is) (VP (VBN harmed) (SBAR (IN if) (S (NP (PRP you)) (VP (VBP get) (NP (NNS meningitis))))))) (. .)))