Concept:Competitive advertising is a promotional strategy aimed at winning customers by directly challenging or undermining a rival product.
Explanation:The chicken seller wants to sell his own products while reducing the beef seller’s sales.
To achieve this, he advertises in a way that makes consumers prefer chicken over beef.
This kind of advertisement is not just giving general information about the chicken seller’s products.
It also does not simply persuade customers in a general manner.
Instead, it openly competes with the beef seller to capture the same customers.
Because the campaign aims to take business away from a specific competitor, it is best described as competitive advertising.
Persuasive advertising may also promote chicken, but the key point here is that it is done “at the expense of” another seller.
Thus, direct rivalry between two similar sellers makes this a competitive advertisement.
Answer:A. competitive