Assertion: b vitamin's b vitamin | /r/HasProperty | cobalamin
Facets:
Source sentences:
text: The eight B vitamins are thiamine (B 1), riboflavin (B 2), niacin (B 3), pantothenic acid (B 5), pyridoxine (B6), biotin (B 7), folic acid (B 9) and cobalamin (Vitamin B 12).