( ( Digestion ( in ( the ( Small ( Intestine ( The duodenum ) ) ) ) ) ) ( ( is ( ( the ( ( ( first and ) shortest ) part ) ) ( of ( the ( small intestine ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Digestion)) (PP (IN in) (NP (DT the) (JJ Small) (NNP Intestine) (NNP The) (NN duodenum)))) (VP (VBZ is) (NP (NP (DT the) (ADJP (JJS first) (CC and) (JJS shortest)) (NN part)) (PP (IN of) (NP (DT the) (JJ small) (NN intestine))))) (. .)))
Digestion in the Small Intestine   The duodenum is the first and shortest part of the small intestine.
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (DT the) (NN digestion) (NNS reactions)))) (VP (VBP occur) (PP (IN in) (NP (DT the) (JJ small) (NN intestine)))) (. .)))