• What was the average impressions per day per campaign per unique user_id value?
• What are the top performing geographic regions for your campaign based on purchase rates?
• What is the impact of your Sponsored Products campaigns and Amazon DSP campaigns in isolation or in combination?

The correct answer is: What is the impact of your Sponsored Products campaigns and Amazon DSP campaigns in isolation or in combination?

Explanation: Overlap analysis in Amazon Marketing Cloud enables advertisers to measure and understand the intersecting effects of running Sponsored Products campaigns and Amazon DSP campaigns, both individually and together. This answers the business question:

“What is the impact of your Sponsored Products campaigns and Amazon DSP campaigns in isolation or in combination?”

Reference content: From the official Amazon playbook for enhanced scoring of overlapping AMC audiences (Amazon Marketing Cloud Playbooks – Enhanced scoring for overlapping audiences):