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