( Grasses ( ( use ( ( the wind ) ( to ( pollinate ( their flowers ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Grasses)) (VP (VBP use) (S (NP (DT the) (NN wind)) (VP (TO to) (VP (VB pollinate) (NP (PRP$ their) (NNS flowers)))))) (. .)))
Grasses use the wind to pollinate their flowers.
(ROOT (S (NP (NP (NNS Flowers)) (VP (VBN pollinated) (PP (IN by) (NP (NN wind))))) (ADVP (RB generally)) (VP (VBP lack) (NP (JJ brightly) (VBN colored) (NNS parts))) (. .)))