Assertion: dinosaur's bone | /r/HasProperty | rich
Facets:
value: in calcium
type: OTHER
Source sentences:
text: This medullary bone, which is rich in calcium, is used to make eggshells.
text: Female dinosaurs grew an extra bone, the medullary, which was rich in calcium and was used to make eggshell.
text: This medullary bone, which is rich in calcium, is used to make eggshells.