In 1998, Cesar Chavez fasted for 36 days in California to underscore the dangers of pesticides to farm workers and their children.
( ( In 1998 ) ( , ( ( Cesar Chavez ) ( ( ( fasted ( for ( ( 36 days ) ( in California ) ) ) ) ( to ( ( underscore ( ( the dangers ) ( of pesticides ) ) ) ( to ( ( ( farm workers ) and ) ( their children ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (CD 1998))) (, ,) (NP (NNP Cesar) (NNP Chavez)) (VP (VBD fasted) (PP (IN for) (NP (NP (CD 36) (NNS days)) (PP (IN in) (NP (NNP California))))) (S (VP (TO to) (VP (VB underscore) (NP (NP (DT the) (NNS dangers)) (PP (IN of) (NP (NNS pesticides)))) (PP (TO to) (NP (NP (NN farm) (NNS workers)) (CC and) (NP (PRP$ their) (NNS children)))))))) (. .)))
Cesar Chavez was not concerned about the dangers of pesticide use.
( ( Cesar Chavez ) ( ( ( was not ) ( concerned ( about ( ( the dangers ) ( of ( pesticide use ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Cesar) (NNP Chavez)) (VP (VBD was) (RB not) (VP (VBN concerned) (PP (IN about) (NP (NP (DT the) (NNS dangers)) (PP (IN of) (NP (NN pesticide) (NN use))))))) (. .)))