Answer:
The answer to this question is
b. people with a desire for a beverage other than soda or water
Step-by-step explanation:
The "second" party needed for marketing to occur in this case are people who are in need of the product produced by Dr. Pepper Snapple Group. (I.e the customers ) however, the type of customer that Dr. Pepper Snapple group will seek to have are customer with a desire for a beverage other than soda and water because it's price is comparable to that of soft drink. Which implies that customer with no interest in that kind of product will not buy but will rather stick with their preference for soft drinks since it is the same price with the new product by Dr. Pepper Snapple group.
Hence, Dr. Pepper Snapple group will need to have people with a desire for a beverage other than soda or water for marketing to occur.