( ( for ( ( ( ( example , ) calcium ) and ) ( ( a ( reduced risk ) ) ( of osteoporosis ) ) ) ) ( , ( ( a ( bone disease ) ) ; ) ) )
(ROOT (FRAG (PP (IN for) (NP (NP (NN example)) (, ,) (NP (NN calcium)) (CC and) (NP (NP (DT a) (JJ reduced) (NN risk)) (PP (IN of) (NP (NN osteoporosis)))))) (, ,) (NP (DT a) (NN bone) (NN disease)) (: ;)))
for example, calcium and a reduced risk of osteoporosis, a bone disease;
(ROOT (S (NP (RB Too) (JJ little) (NN calcium)) (VP (MD can) (VP (VB cause) (NP (DT the) (NN disease) (NN osteoporosis)))) (. .)))