Answer:
Persuasive advertising: Reinforce why consumers should choose Enliven as their first choice.
Explanation:
If my first task is to set an advertising objective and my key goals are to build brand preference for your product and to differentiate your product as the safe and natural choice.
Then my decision on the best type of objective for your national campaign will be Persuasive advertising: Reinforce why consumers should choose Enliven as their first choice.
By definition Persuasive Advertising is a type of product promotion that aims to persuade a consumer for buying a particular product, especially in the presence of several similar products in the same category.
Informing customers or reminding them will be insufficient and inappropriate because it will not achieve the goal of differentiating Enliven from other products