In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Q: Supplemental Nutrition Assistance Program ( which is known as SNAP ) is a food assistance program in the United States .
A: 
The Supplemental Nutrition Assistance Program ( SNAP ) , formerly and commonly known as the Food Stamp Program , provides food-purchasing assistance for low- and no-income people living in the United States .