You work at an agency and one of your clients wants to track performance by product category (ex: apparel) and gender. They already passed the required and optional attributes for apparel in the product feed. Which of these techniques could help them achieve granular reporting?

The correct answer allows for the most granular reporting by creating campaigns that combine both product category and gender (e.g., "Women's Top"). Within these campaigns, product groups can then be used to further segment by specific product types (e.g., "Sweater," "Short Sleeves"). This structure directly addresses the client's need to track performance by product category and gender. The other options are less effective: Creating a catch-all campaign offers no granularity. Creating campaigns by gender and then product groups by apparel type would allow tracking by gender and apparel type, but not directly by a combined "category and gender" segment at the campaign level. Creating campaigns by product category and then product groups by gender would allow tracking by category and gender, but the campaign structure isn't as directly aligned with the desired combined reporting as the correct option.