( Normally ( ( the liver ) ( ( rapidly ( ( transforms ( the ( harmful acetaldehyde ) ) ) ( into ( ( a ( neutral substance ) ) ( called ( acetic ( ( acid or ) acetate ) ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Normally)) (NP (DT the) (NN liver)) (VP (ADVP (RB rapidly)) (VBZ transforms) (NP (DT the) (JJ harmful) (NN acetaldehyde)) (PP (IN into) (NP (NP (DT a) (JJ neutral) (NN substance)) (VP (VBN called) (NP (JJ acetic) (NN acid) (CC or) (NN acetate)))))) (. .)))
Normally the liver rapidly transforms the harmful acetaldehyde into a neutral substance called acetic acid or acetate.
(ROOT (S (NP (PRP You)) (VP (VBP call) (S (NP (NP (DT a) (NN substance)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (RB not) (NP (NP (DT an) (NN acid)) (CC or) (NP (DT a) (NN base))))))) (ADJP (JJ neutral)))) (. .)))