Assertion: narwhal's skin | /r/HasProperty | rich
Facets:
value: in vitamin c
type: OTHER
value: something very hard
type: DEGREE
Source sentences:
text: Their skin is rich in vitamin C 7.
text: Inuit hunt them mainly for the ivory tusk and the skin, which is rich in vitamin C.
text: Inuit people will also hunt them, since their skin is rich in Vitamin C, something very hard to find in an arctic diet.