( ( ( Compare and ) ( ( contrast ( ( the structure ) ( of ( plant cells ) ) ) ) ( with ( that ( of ( animal cells ) ) ) ) ) ) . )
(ROOT (S (VP (VP (VB Compare)) (CC and) (VP (VB contrast) (NP (NP (DT the) (NN structure)) (PP (IN of) (NP (NN plant) (NNS cells)))) (PP (IN with) (NP (NP (DT that)) (PP (IN of) (NP (NN animal) (NNS cells))))))) (. .)))
Compare and contrast the structure of plant cells with that of animal cells.
(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))))) (. .)))