Assertion: potato's variety | /r/HasProperty | purple
Facets:
Source sentences:
text: most commonly orange in colour, but other varieties are white, purple or yellow.
text: Sweet potatoes typically have brown skin and orange flesh but also come in purple, yellow, and red varieties.
text: Certain types of sweet potatoes, especially purple varieties, are thought to be the highest in antioxidants — much higher than many other fruits and vegetables (13).
text: In addition, sweet potatoes — especially the orange and purple varieties — are rich in antioxidants that protect your body from free radicals ( 3 , 4 , 5 ).