( There ( ( should ( be ( ( ( ( ( a ( small amount ) ) ( of ( clear ( saliva present ) ) ) ) , ) and ) ( ( ( a ( pink tongue ) ) and ) ( oral cavity ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (MD should) (VP (VB be) (NP (NP (NP (DT a) (JJ small) (NN amount)) (PP (IN of) (NP (JJ clear) (NN saliva) (NN present)))) (, ,) (CC and) (NP (NP (DT a) (JJ pink) (NN tongue)) (CC and) (NP (JJ oral) (NN cavity)))))) (. .)))
There should be a small amount of clear saliva present, and a pink tongue and oral cavity.
(ROOT (S (NP (NNP Saliva) (NNP secretion)) (VP (VBZ initiates) (NP (NN chemical) (NN digestion)) (PP (IN while) (S (ADVP (RB also)) (VP (VBG protecting) (NP (DT the) (JJ oral) (NN cavity)))))) (. .)))