With billions of searches on Google every day, how does Google AI help

With Google AI, Smart Bidding predicts queries with the highest volume to set bids automatically.
With Google AI, Ad Rank prioritizes expected clickthrough rate over ad relevance, or vice versa.
With Google AI, broad match and Smart Bidding match ads to queries and adjust bids in real time.
With Google AI, marketers no longer need to invest in high-quality image assets.

The correct answer is:

With Google AI, broad match and Smart Bidding match ads to queries and adjust bids in real time.