Milk and other animal products are important as a food source contributing {TAIL ~ more than a third} of the calories, and between a third and all of the major nutrients in {HEAD ~ the U.S. food supply} 
Milk and other animal products are important as a food source contributing { TAIL ~ more than a third } of the calories , and between a third and all of the major nutrients in { HEAD ~ the U.S. food supply }
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