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