John's Carwash Featured an Ad That Said: "We Provide Full

John's carwash featured an ad that said: "We provide full service car washing that cleans the dirtiest of cars. Stop by at our new location at 431 North Blvd." The purpose of this ad is to:

A) show one brand's strengths relative to those of competitors.
B) promote a specific brand's features and benefits.
C) tell people what a product is, what it can do, and where it can be found.
D) reinforce previous knowledge of a product.