( ( Chemical digestion ) ( ( is ( completed ( in ( the ( small intestine ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Chemical) (NNP digestion)) (VP (VBZ is) (VP (VBN completed) (PP (IN in) (NP (DT the) (JJ small) (NN intestine))))) (. .)))
Chemical digestion is completed in the small intestine.
(ROOT (S (NP (NP (DT The) (NN majority)) (PP (IN of) (NP (NN chemical) (NN digestion)))) (VP (VBZ occurs) (PP (IN in) (NP (DT the) (JJ small) (NN intestine)))) (. .)))