Wendy's \"Where's the Beef?\" is a classic marketing campaign slogan. First aired in 1984, it called out McDonald's and Burger King for skimping on their hamburgers. It was wildly successful; Wendy's revenue increased by 31% that year. In marketing communications, which of the following message elements can be represented by underdogs battling top dogs? a. Message b. Character c. Meme d. Plot e. Conflict