Assertion: potassium | /r/CapableOf | serve as 1 cup of cooked collard greens
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Source sentences:
text: A piece of skinless chicken breast has about as much potassium in every 3-ounce serving as 1 cup of cooked collard greens, 1 cup of raw mushrooms, 1 cup of white rice, 1 cup of low-fat cottage cheese or 3 ounces of cooked crab.