( ( ( ( ( ( esophagus , ) stomach ) , ) ( ( ( large intestine ) , ) ( small intestine ) ) ) , ) mouth )
(ROOT (FRAG (NP (NP (NNS esophagus)) (, ,) (NP (NN stomach)) (, ,) (NP (NP (JJ large) (NN intestine)) (, ,) (NP (JJ small) (NN intestine))) (, ,)) (ADJP (NN mouth))))
esophagus, stomach, large intestine, small intestine, mouth
(ROOT (S (NP (DT The) (JJ small) (NN intestine)) (VP (VBZ begins) (PP (IN in) (NP (DT the) (NN stomach)))) (. .)))