Which of the following statements is correct?

• A campaign must have more than one ad groups.
• Ad groups let you run different creatives within one campaign objective.
• One ad group can have different types of audiences.
• A campaign can only have one bidding type.

or

• Product Ads is Mercado Libre’s native solution to promote your products inside the platform, as well as on other sites outside Mercado Libre.
• Product Ads is an external performance solution to promote your Mercado Libre products on other platforms.
• Product Ads is the performance solution to enhance the visibility and sales of products inside Mercado Libre.

or

• In Mercado Libre, most of the searches are branded, that is, they include the name of a brand.
• In Mercado Libre, most of the top 10 searches are unbranded, that is, they do not include the name of a brand.
• In Mercado Libre, there is a similar proportion of branded searches (which include the name of a brand) and unbranded searches (which do not include the name of a brand) in the top 10 searches.