Student declaration I certify that assignment submission is entirely my own work

Coffee is a very good substitute for coffee, but competitors are all weak nutritional value => There are lots of competitors who drink coffee in the age of Starbucks, but they are all weak nutritional value => There are lots of competitors who drink coffee in the age of Starbucks, but they are all weak nutritional value => There are lots of competitors who drink coffee in the age of Starbucks, but they are all weak nutritional value => There are lots of competitors who drink coffee in the age of Starbucks, but