Assertion: spinach | /r/HasProperty | magnesium
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Source sentences:
text: It is also a good source of Niacin and Zinc, and a very good source of Dietary Fiber, Protein, Vitamin A, Vitamin C, Vitamin E (Alpha Tocopherol), Vitamin K, Thiamin, Riboflavin, Vitamin B6, Folate, Calcium, Iron, Magnesium, Phosphorus, Potassium, Copper and Manganese Types of Spinach