( Cellulose ( ( ( gives structure ) ( to ( the ( cell wall ) ) ) ) . ) )
(ROOT (S (NP (NNP Cellulose)) (VP (VBZ gives) (NP (NN structure)) (PP (TO to) (NP (DT the) (NN cell) (NN wall)))) (. .)))
Cellulose gives structure to the cell wall.
(ROOT (S (NP (DT A) (NN cell) (NN wall)) (VP (VBZ is) (RB not) (ADJP (JJ present) (PP (IN in) (NP (NN animal) (NNS cells))))) (. .)))