The evolving consumer preference for healthier options has prompted some well-established brands to modify their products. Specifically, snack foods manufacturer Nestl is removing artificial colors and dyes from some of its products, and packaged candy giants Hershey and Mars are both reducing the amount of high-fructose corn syrup in some of their products. Which of the following best describes these three organizations' strategy for differentiating themselves?

a. Expanding market share

b. Creating superior value

c. Performing activities differently

d. Performing different activities