Assertion: spinach's vitamin a | /r/HasProperty | vitamin b
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Source sentences:
text: As shows in the sidebar, a 100g serving of pokeweed contains 20 calories and 3.1 grams of carbohydrates, 1.6 grams of sugars, 1.5 grams of dietary fiber, 0.4 grams of fat, 2.3 grams of protein, and is a rich source of vitamin A, vitamin B 2 , vitamin C, vitamin K, and manganese.