Assertion: grape | /r/HasProperty | good source of fiber
Facets:
Source sentences:
text: Grapes are also a good source of vitamin K, copper and many of the B vitamins," said Rumsey, adding that they are also a good source of fiber and relatively low in calories.
text: Grapes are a good source of vitamin C, which is well known for its beneficial impact on your immune system (1, 41 )