You can use Display Planner to:

• see how other advertisers perform on websites where you want your ad to appear
• compare how your current Display Network campaign could perform on websites you’d like to target
• see ways to reach your target audience based on your keywords, website, or interest categories
• see which image and text ads are performing best on the specific websites you’re targeting

Correct answer is:

• see ways to reach your target audience based on your keywords, website, or interest categories