( Digestion ( ( begins ( in ( ( the mouth ) ( with ( the ( salivary glands ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Digestion)) (VP (VBZ begins) (PP (IN in) (NP (NP (DT the) (NN mouth)) (PP (IN with) (NP (DT the) (JJ salivary) (NNS glands)))))) (. .)))
Digestion begins in the mouth with the salivary glands.
(ROOT (S (NP (NNP Digestion)) (VP (VBZ begins) (PP (IN in) (NP (DT the) (NN mouth)))) (. .)))