Karl Hopes to See If Viewers of His Video Ad

Multiple Choice

Karl hopes to see if viewers of his video ad sparks interest in his product. He conducts an experiment where one group sees Karl's ad, and another group sees an unrelated video. He will then use Google to track search habits of those in both groups. If Karl sees more searches for his product among those exposed to the ad, then he knows he can attribute it to the campaign video. What program is Karl likely using to conduct this video ad test?

A) Google Brand Lift
B) Medium
C) YouTube Ads
D) Google Marketer