( Eat ( ( a diet ) ( rich ( in ( ( calcium and ) ( vitamin D. ) ) ) ) ) )
(ROOT (S (VP (VB Eat) (S (NP (DT a) (NN diet)) (ADJP (JJ rich) (PP (IN in) (NP (NP (NN calcium)) (CC and) (NP (NNP vitamin) (NNP D.)))))))))
Eat a diet rich in calcium and vitamin D.
(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)))))) (. .)))