( ( ( Mechanical reduction ) ( of ( our food ) ) ) ( ( ( begins ( in ( ( the ( -LRB- ( a. ( -RRB- epiglottis ) ) ) ) ( -LRB- ( b. -RRB- ) ) ) ) ) ( ( ( small ( intestine ( ( -LRB- ( c. -RRB- ) ) ( liver ( ( -LRB- ( d. -RRB- ) ) stomach ) ) ) ) ) ( -LRB- ( e. -RRB- ) ) ) ( mouth 7 ) ) ) . ) )
(ROOT (S (NP (NP (JJ Mechanical) (NN reduction)) (PP (IN of) (NP (PRP$ our) (NN food)))) (VP (VBZ begins) (PP (IN in) (NP (NP (DT the) (-LRB- -LRB-) (NP (NN a.)) (-RRB- -RRB-) (NNS epiglottis)) (PRN (-LRB- -LRB-) (NP (NN b.)) (-RRB- -RRB-)))) (NP (NP (NP (JJ small) (JJ intestine) (PRN (-LRB- -LRB-) (NP (NN c.)) (-RRB- -RRB-)) (NN liver) (PRN (-LRB- -LRB-) (NP (NN d.)) (-RRB- -RRB-)) (NNS stomach)) (PRN (-LRB- -LRB-) (NP (NN e.)) (-RRB- -RRB-))) (ADJP (NN mouth) (CD 7)))) (. .)))
Mechanical reduction of our food begins in the (a.) epiglottis (b.) small intestine (c.) liver (d.) stomach (e.) mouth 7.
(ROOT (S (NP (DT The) (JJ small) (NN intestine)) (VP (VBZ begins) (PP (IN in) (NP (DT the) (NN stomach)))) (. .)))