( Preservative ( ( has ( ( turned ( the brain ) ) ( into ( something ( that ( ( looks more ) ( like ( ( a ( ( very large ) eraser ) ) ( than ( ( the ( human ( body 's ) ) ) ( ( most complex ) organ ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Preservative)) (VP (VBZ has) (VP (VBN turned) (NP (DT the) (NN brain)) (PP (IN into) (NP (NP (NN something)) (SBAR (WHNP (WDT that)) (S (VP (VBZ looks) (NP (JJR more)) (PP (IN like) (NP (NP (DT a) (ADJP (RB very) (JJ large)) (NN eraser)) (PP (IN than) (NP (NP (DT the) (JJ human) (NN body) (POS 's)) (ADJP (RBS most) (JJ complex)) (NN organ)))))))))))) (. .)))
Preservative has turned the brain into something that looks more like a very large eraser than the human body's most complex organ.
(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))))) (. .)))