Assertion: yam | /r/HasProperty | good source of energy
Facets:
Source sentences:
text: Yam is a good source of energy; 100 g provides 118 calories.
text: Predominantly grown in the Caribbean and Africa, yams are a good source of potassium, but contain no beta-carotene, and have lower levels of B vitamins, vitamin C, and folic acid than sweet potatoes.