( ( vitamin D ) ( ( can ( reduce ( ( the risk ) ( of osteoporosis ) ) ) ) ; ) )
(ROOT (S (NP (NNP vitamin) (NNP D)) (VP (MD can) (VP (VB reduce) (NP (NP (DT the) (NN risk)) (PP (IN of) (NP (NN osteoporosis)))))) (: ;)))
vitamin D can reduce the risk of osteoporosis;
(ROOT (S (NP (NP (DT A) (NN diet)) (ADJP (JJ rich) (PP (IN in) (NP (NN calcium) (CC and) (NN vitamin) (NNS d))))) (VP (MD may) (VP (VB reduce) (NP (NP (DT the) (NN risk)) (PP (IN of) (NP (NN osteoporosis) (CC and) (JJ related) (NN bone) (NNS fractures)))))) (. .)))